Birthday party may refer to:

• Birthday party, a party to celebrate the anniversary of one's birth

In theatre, film, and television:

• The Birthday Party (play), a 1958 play by Harold Pinter
• The Birthday Party (film), a 1968 film written by Pinter, based on his play
• "The Birthday Party" (My Name Is Earl), an episode of My Name Is Earl
• "The Birthday Party" (Dynasty), an episode of Dynasty
• The Birthday Party (2004 film), an Australian film of 2004
• "The Birthday Party" (cartoon), a 1931 animated short starring Mickey Mouse
• Birthday Party (Birmingham, Alabama TV series), an American local children's television series
• Birthday Party (Springfield, Missouri TV series), an American local children's television series
• King Cole's Birthday Party, also known as Birthday Party, American TV series

In fiction:

• The Birthday Party (novel), a 2007 novel by Panos Karnezis

In music:

• The Birthday Party (band), a post-punk band led by Nick Cave
  • The Birthday Party (The Birthday Party album)
• The Birthday Party (album), an album by The Idle Race
• The Birthday Party (video), a concert video by Motörhead
• Birthday Party (album), an album by Dave Pegg

• Birthday (disambiguation)
• Party (disambiguation)