Daljit Singh Dosanjh, popularly known as Diljit Dosanjh, is a singer, actor, and television presenter who works in the Hindi and Punjabi film industry. He is a leading artiste in the music industry in Punjab.

Dosanjh spent the initial days of his life in Dosanjh Kalan before moving to Ludhiana, Punjab. He was a student of Sri Guru Harkrishan Public School in Ludhiana.

Dosanjh performed Kirtan and sang devotional songs at local Gurdwaras during his school days. His first music album was Ishq Da Uda Ada, released in 2004. He followed it up with a second album named Dil which was released in the same year. He gained wide popularity with his third album, Smile, released in 2005.

Dosanjh began his acting career with the Punjabi movie Mel Karade Rabba (2010), starring Jimmy Shergill and Gippy Grewal, directed by Navaniat Singh. He made a cameo appearance in the film.

The following year, he debuted in a lead role in the action film The Lion of Punjab (2011), directed by Guddu Dhanoa. His third Punjabi film was Jihne Mera Dil Luteya (2011), co-starring Gippy Grewal and Neeru Bajwa. Dosanjh sang six of the total 12 songs in the movie. He won the Punjabi International Film Academy Awards 2012 for Best Actor for his performance in the movie.

Dosanjh's music album Sikh was released in 2012. It was his first album featuring devotional songs.

Dosanjh's next big screen venture was in 2012 with Anurag Singh's romantic comedy Jatt & Juliet (2012), in which he played the lead role opposite Neeru Bajwa. The film received a positive response from critics and became a huge box office hit. He bagged the PTC Punjabi Film Award 2013 for Best Actor for the movie. Its success led to the making of its sequel.

In 2013, its sequel, Jatt & Juliet 2 (2013), was released. Dosanjh and Neeru Bajwa formed the lead pair of this movie as well. The film was a critical and commercial success. He received the PTC Punjabi Film Award 2014 for Best Actor for this movie.

Dosanjh next saw him teaming up with Surveen Chawla to play the lead pair in Disco Singh (2014). He next appeared in Anurag Singh's period drama Punjab 1984 (2014). The movie also starred Kirron Kher in a pivotal role. The film was a huge success at the box office. Dosanjh bagged the PTC Punjabi Film Award 2015 for Best Actor for the film.

He essayed the role of a ghost hunter in his next film, Sardarji (2015). The movie also starred Neeru Bajwa and Mandy Takhar. Dosanjh was next seen in the comedy thriller Ambarsariya (2016) opposite Monica Gill and Navneet Kaur Dhillon.

In the same year, he debuted in Hindi films with Udta Punjab (2016), co-starring Shahid Kapoor, Alia Bhatt, and Kareena Kapoor. This crime drama, directed by Abhishek Chaubey, dealt with the issue of substance abuse in Punjab. It gained critical acclaim and commercial success.

Dosanjh was next seen in Anshai Lal's fantasy-comedy Phillauri (2017). He went on to act in films like Sardaarji 2 (2016), Super Singh (2017), Welcome to New York (2018), Arjun Patiala (2019), Shadaa (2019), Good Newwz (2019), Suraj Pe Mangal Bhari (2020), and Honsla Rakh (2021).

Dosanjh played the lead role in Babe Bhangra Paunde Ne (2022), a comedy movie about three friends who try to get rich by following a shortcut. Dosanjh produced the film along with Daljit Singh Thind.