1971 (MCMLXXI) was a common year starting on Friday.
- January 5: Clancy Brown's 12th birthday
- January 8: David Bowie's 24th birthday
- January 15: Andrea Martin's 24th birthday
- January 24: Ernest Borgnine's 54th birthday
- February 13: Carolyn Lawrence fourth birthday
- March 29: Amy Sedaris' tenth birthday
- April 3:
- Alec Baldwin's 15th birthday
- Alton Brown's ninth birthday
- April 8: Biz Markie's seventh birthday
- April 16: Billy West's 21st birthday
- July 6: Brian Doyle-Murray's 26th birthday
- July 13: Tom Kenny's 11th birthday
- August 10: Antonio Bandaras' 11th birthday
- September 2: Mary Jo Catlett's 33rd birthday
- September 16: Amy Poehler was born.
- September 19: Adam West's 43rd birthday
- October 4: Bill Fagerbakke's 14th birthday
- November 20: Rodger Bumpass' 20th birthday
- November 30: Eugene H. Krabs and Sheldon J. Plankton's 29th birthday
- December 14: Tim Conway's 38th birthday
- December 19: Jill Talley's ninth birthday