diff --git a/CHANGELOG.md b/CHANGELOG.md
index 68495b2d..e1f66607 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -24,6 +24,7 @@
 - Add binary signature verification. This can be disabled with
   `coder.disableSignatureVerification` if you purposefully run a binary that is
   not signed by Coder (for example a binary you built yourself).
+- Add search functionality to the "All Workspaces" view.
 
 ## [v1.9.2](https://github.com/coder/vscode-coder/releases/tag/v1.9.2) 2025-06-25
 
diff --git a/package.json b/package.json
index 23ba62ef..810a09ec 100644
--- a/package.json
+++ b/package.json
@@ -217,6 +217,18 @@
 				"title": "Coder: Open App Status",
 				"icon": "$(robot)",
 				"when": "coder.authenticated"
+			},
+			{
+				"command": "coder.searchWorkspaces",
+				"title": "Coder: Search Workspaces",
+				"icon": "$(search)",
+				"when": "coder.authenticated && coder.isOwner"
+			},
+			{
+				"command": "coder.clearWorkspaceSearch",
+				"title": "Coder: Clear Workspace Search",
+				"icon": "$(clear-all)",
+				"when": "coder.authenticated && coder.isOwner"
 			}
 		],
 		"menus": {
@@ -244,6 +256,21 @@
 					"command": "coder.refreshWorkspaces",
 					"when": "coder.authenticated && view == myWorkspaces",
 					"group": "navigation"
+				},
+				{
+					"command": "coder.searchWorkspaces",
+					"when": "coder.authenticated && coder.isOwner && view == allWorkspaces",
+					"group": "navigation"
+				},
+				{
+					"command": "coder.refreshWorkspaces",
+					"when": "coder.authenticated && coder.isOwner && view == allWorkspaces",
+					"group": "navigation"
+				},
+				{
+					"command": "coder.clearWorkspaceSearch",
+					"when": "coder.authenticated && coder.isOwner && view == allWorkspaces",
+					"group": "navigation"
 				}
 			],
 			"view/item/context": [
diff --git a/src/commands.ts b/src/commands.ts
index b40ea56e..8fdfc1a0 100644
--- a/src/commands.ts
+++ b/src/commands.ts
@@ -684,6 +684,46 @@ export class Commands {
 		});
 	}
 
+	/**
+	 * Search/filter workspaces in the All Workspaces view.
+	 * This method will be called from the view title menu.
+	 */
+	public async searchWorkspaces(): Promise<void> {
+		const quickPick = vscode.window.createQuickPick();
+		quickPick.placeholder =
+			"Type to search workspaces by name, owner, template, status, or agent";
+		quickPick.title = "Search All Workspaces";
+		quickPick.value = "";
+
+		// Get current search filter to show in the input
+		const currentFilter = (await vscode.commands.executeCommand(
+			"coder.getWorkspaceSearchFilter",
+		)) as string;
+		if (currentFilter) {
+			quickPick.value = currentFilter;
+		}
+
+		quickPick.ignoreFocusOut = true; // Keep open when clicking elsewhere
+		quickPick.canSelectMany = false; // Don't show selection list
+
+		quickPick.onDidChangeValue((value) => {
+			// Update the search filter in real-time as user types
+			vscode.commands.executeCommand("coder.setWorkspaceSearchFilter", value);
+		});
+
+		quickPick.onDidAccept(() => {
+			// When user presses Enter, close the search
+			quickPick.hide();
+		});
+
+		quickPick.onDidHide(() => {
+			// Don't clear the search when closed - keep the filter active
+			quickPick.dispose();
+		});
+
+		quickPick.show();
+	}
+
 	/**
 	 * Return agents from the workspace.
 	 *
diff --git a/src/extension.ts b/src/extension.ts
index e765ee1b..04d47d58 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -291,6 +291,22 @@ export async function activate(ctx: vscode.ExtensionContext): Promise<void> {
 		"coder.viewLogs",
 		commands.viewLogs.bind(commands),
 	);
+	vscode.commands.registerCommand(
+		"coder.searchWorkspaces",
+		commands.searchWorkspaces.bind(commands),
+	);
+	vscode.commands.registerCommand(
+		"coder.setWorkspaceSearchFilter",
+		(searchTerm: string) => {
+			allWorkspacesProvider.setSearchFilter(searchTerm);
+		},
+	);
+	vscode.commands.registerCommand("coder.getWorkspaceSearchFilter", () => {
+		return allWorkspacesProvider.getSearchFilter();
+	});
+	vscode.commands.registerCommand("coder.clearWorkspaceSearch", () => {
+		allWorkspacesProvider.clearSearchFilter();
+	});
 
 	// Since the "onResolveRemoteAuthority:ssh-remote" activation event exists
 	// in package.json we're able to perform actions before the authority is
diff --git a/src/workspacesProvider.ts b/src/workspacesProvider.ts
index 278ee492..7f7237ed 100644
--- a/src/workspacesProvider.ts
+++ b/src/workspacesProvider.ts
@@ -42,6 +42,9 @@ export class WorkspaceProvider
 	private timeout: NodeJS.Timeout | undefined;
 	private fetching = false;
 	private visible = false;
+	private searchFilter = "";
+	private metadataCache: Record<string, string> = {};
+	private searchDebounceTimer: NodeJS.Timeout | undefined;
 
 	constructor(
 		private readonly getWorkspacesQuery: WorkspaceQuery,
@@ -52,6 +55,43 @@ export class WorkspaceProvider
 		// No initialization.
 	}
 
+	setSearchFilter(filter: string) {
+		// Validate search term length to prevent performance issues
+		if (filter.length > 200) {
+			filter = filter.substring(0, 200);
+		}
+
+		// Clear any existing debounce timer
+		if (this.searchDebounceTimer) {
+			clearTimeout(this.searchDebounceTimer);
+		}
+
+		// Debounce the search operation to improve performance
+		this.searchDebounceTimer = setTimeout(() => {
+			this.searchFilter = filter;
+			this.refresh(undefined);
+			this.searchDebounceTimer = undefined;
+		}, 150); // 150ms debounce delay - good balance between responsiveness and performance
+	}
+
+	getSearchFilter(): string {
+		return this.searchFilter;
+	}
+
+	/**
+	 * Clear the search filter immediately without debouncing.
+	 * Use this when the user explicitly clears the search.
+	 */
+	clearSearchFilter(): void {
+		// Clear any pending debounce timer
+		if (this.searchDebounceTimer) {
+			clearTimeout(this.searchDebounceTimer);
+			this.searchDebounceTimer = undefined;
+		}
+		this.searchFilter = "";
+		this.refresh(undefined);
+	}
+
 	// fetchAndRefresh fetches new workspaces, re-renders the entire tree, then
 	// keeps refreshing (if a timer length was provided) as long as the user is
 	// still logged in and no errors were encountered fetching workspaces.
@@ -63,6 +103,9 @@ export class WorkspaceProvider
 		}
 		this.fetching = true;
 
+		// Clear metadata cache when refreshing to ensure data consistency
+		this.clearMetadataCache();
+
 		// It is possible we called fetchAndRefresh() manually (through the button
 		// for example), in which case we might still have a pending refresh that
 		// needs to be cleared.
@@ -201,6 +244,11 @@ export class WorkspaceProvider
 			clearTimeout(this.timeout);
 			this.timeout = undefined;
 		}
+		// clear search debounce timer
+		if (this.searchDebounceTimer) {
+			clearTimeout(this.searchDebounceTimer);
+			this.searchDebounceTimer = undefined;
+		}
 	}
 
 	/**
@@ -300,7 +348,157 @@ export class WorkspaceProvider
 
 			return Promise.resolve([]);
 		}
-		return Promise.resolve(this.workspaces || []);
+
+		// Filter workspaces based on search term
+		let filteredWorkspaces = this.workspaces || [];
+		const trimmedFilter = this.searchFilter.trim();
+		if (trimmedFilter) {
+			const searchTerm = trimmedFilter.toLowerCase();
+			filteredWorkspaces = filteredWorkspaces.filter((workspace) =>
+				this.matchesSearchTerm(workspace, searchTerm),
+			);
+		}
+
+		return Promise.resolve(filteredWorkspaces);
+	}
+
+	/**
+	 * Extract and normalize searchable text fields from a workspace.
+	 * This helper method reduces code duplication between exact word and substring matching.
+	 */
+	private extractSearchableFields(workspace: WorkspaceTreeItem): {
+		workspaceName: string;
+		ownerName: string;
+		templateName: string;
+		status: string;
+		agentNames: string[];
+		agentMetadataText: string;
+	} {
+		// Handle null/undefined workspace data safely
+		const workspaceName = workspace.workspace.name.toLowerCase();
+		const ownerName = workspace.workspace.owner_name.toLowerCase();
+		const templateName = (
+			workspace.workspace.template_display_name ||
+			workspace.workspace.template_name
+		).toLowerCase();
+		const status = (
+			workspace.workspace.latest_build.status || ""
+		).toLowerCase();
+
+		// Extract agent names with null safety
+		const agents = extractAgents(workspace.workspace.latest_build.resources);
+		const agentNames = agents
+			.map((agent) => agent.name.toLowerCase())
+			.filter((name) => name.length > 0);
+
+		// Extract and cache agent metadata with error handling
+		let agentMetadataText = "";
+		const metadataCacheKey = agents.map((agent) => agent.id).join(",");
+
+		if (this.metadataCache[metadataCacheKey]) {
+			agentMetadataText = this.metadataCache[metadataCacheKey];
+		} else {
+			const metadataStrings: string[] = [];
+			let hasSerializationErrors = false;
+
+			agents.forEach((agent) => {
+				const watcher = this.agentWatchers[agent.id];
+				if (watcher?.metadata) {
+					watcher.metadata.forEach((metadata) => {
+						try {
+							metadataStrings.push(JSON.stringify(metadata).toLowerCase());
+						} catch (error) {
+							hasSerializationErrors = true;
+							// Handle JSON serialization errors gracefully
+							this.storage.output.warn(
+								`Failed to serialize metadata for agent ${agent.id}: ${error}`,
+							);
+						}
+					});
+				}
+			});
+
+			agentMetadataText = metadataStrings.join(" ");
+
+			// Only cache if all metadata serialized successfully
+			if (!hasSerializationErrors) {
+				this.metadataCache[metadataCacheKey] = agentMetadataText;
+			}
+		}
+
+		return {
+			workspaceName,
+			ownerName,
+			templateName,
+			status,
+			agentNames,
+			agentMetadataText,
+		};
+	}
+
+	/**
+	 * Check if a workspace matches the given search term using smart search logic.
+	 * Prioritizes exact word matches over substring matches.
+	 */
+	private matchesSearchTerm(
+		workspace: WorkspaceTreeItem,
+		searchTerm: string,
+	): boolean {
+		// Early return for empty search terms
+		if (!searchTerm || searchTerm.trim().length === 0) {
+			return true;
+		}
+
+		// Extract all searchable fields once
+		const fields = this.extractSearchableFields(workspace);
+
+		// Pre-compile regex patterns for exact word matching
+		const searchWords = searchTerm
+			.split(/\s+/)
+			.filter((word) => word.length > 0);
+
+		const regexPatterns: RegExp[] = [];
+		for (const word of searchWords) {
+			// Simple word boundary search
+			regexPatterns.push(new RegExp(`\\b${word}\\b`, "i"));
+		}
+
+		// Combine all text for exact word matching
+		const allText = [
+			fields.workspaceName,
+			fields.ownerName,
+			fields.templateName,
+			fields.status,
+			...fields.agentNames,
+			fields.agentMetadataText,
+		].join(" ");
+
+		// Check for exact word matches (higher priority)
+		const hasExactWordMatch =
+			regexPatterns.length > 0 &&
+			regexPatterns.some((pattern) => pattern.test(allText));
+
+		// Check for substring matches (lower priority) - only if no exact word match
+		const hasSubstringMatch =
+			!hasExactWordMatch && allText.includes(searchTerm);
+
+		// Return true if either exact word match or substring match
+		return hasExactWordMatch || hasSubstringMatch;
+	}
+
+	/**
+	 * Clear the metadata cache when workspaces are refreshed to ensure data consistency.
+	 * Also clears cache if it grows too large to prevent memory issues.
+	 */
+	private clearMetadataCache(): void {
+		// Clear cache if it grows too large (prevent memory issues)
+		const cacheSize = Object.keys(this.metadataCache).length;
+		if (cacheSize > 1000) {
+			this.storage.output.info(
+				`Clearing metadata cache due to size (${cacheSize} entries)`,
+			);
+		}
+		this.metadataCache = {};
 	}
 }
 

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