"Gentleman" is a K-pop song by South Korean musician Psy released on April 12, 2013 (KST), serving as his 19th single. The song serves as the follow-up to his international hit single "Gangnam Style", which at the time of "Gentleman"'s release had been viewed on YouTube over 1.5 billion times. The first public performance of the song, with its associated dance, was unveiled at 6:30 pm on April 13 at Seoul World Cup Stadium in Seoul. A poster and Twitter message was released containing the main line of the song "I'm a mother f••••• gentleman", The obscured word was later revealed to be "father". In 2013, Psy stated that he had no plans to release an album including the song or a sequel to it.

Park Jae-sang, known professionally as Psy, is a South Korean rapper and singer-songwriter. Known for his humorous music videos and performances, he has received numerous accolades, including an American Music Award, ten MAMA Awards, and a World Music Award.