diff --git a/lib/matplotlib/axes/_axes.py b/lib/matplotlib/axes/_axes.py
index dd7669b3e981..e907167c659a 100644
--- a/lib/matplotlib/axes/_axes.py
+++ b/lib/matplotlib/axes/_axes.py
@@ -2624,14 +2624,15 @@ def sign(x):
if label_type == "center":
ha, va = "center", "center"
elif label_type == "edge":
- if orientation == "vertical" and dat >= 0:
- ha, va = "center", "bottom"
- elif orientation == "vertical" and dat < 0:
- ha, va = "center", "top"
- elif orientation == "horizontal" and dat >= 0:
- ha, va = "left", "center"
- elif orientation == "horizontal" and dat < 0:
- ha, va = "right", "center"
+ if orientation == "vertical":
+ ha = 'center'
+ va = 'top' if dat < 0 else 'bottom' # also handles NaN
+ elif orientation == "horizontal":
+ ha = 'right' if dat < 0 else 'left' # also handles NaN
+ va = 'center'
+
+ if np.isnan(dat):
+ lbl = ''
annotation = self.annotate(fmt % value if lbl is None else lbl,
xy, xytext, textcoords="offset points",
diff --git a/lib/matplotlib/tests/test_axes.py b/lib/matplotlib/tests/test_axes.py
index 4bcacef59eb3..620d7b10bd4d 100644
--- a/lib/matplotlib/tests/test_axes.py
+++ b/lib/matplotlib/tests/test_axes.py
@@ -7004,6 +7004,15 @@ def test_bar_label_labels():
assert labels[1].get_text() == 'B'
+def test_bar_label_nan_ydata():
+ ax = plt.gca()
+ bars = ax.bar([2, 3], [np.nan, 1])
+ labels = ax.bar_label(bars)
+ assert [l.get_text() for l in labels] == ['', '1']
+ assert labels[0].xy == (2, 0)
+ assert labels[0].get_va() == 'bottom'
+
+
def test_patch_bounds(): # PR 19078
fig, ax = plt.subplots()
ax.add_patch(mpatches.Wedge((0, -1), 1.05, 60, 120, 0.1))
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