Timothy David Minchin AM (born 7 October 1975) is an Australian actor, writer, musician, poet, composer, songwriter and comedian.

He has released six CDs, five DVDs, and live comedy shows that he has performed internationally. He has appeared on television in Australia, the United Kingdom, and the United States. His show Darkside launched him into the public eye, achieving critical success at the 2005 Melbourne International Comedy Festival and the 2005 Edinburgh Festival Fringe.

Minchin has a background in theatre and has appeared in various stage productions, in addition to small acting roles on Australian television. A documentary film about Minchin, Rock N Roll Nerd (directed by Rhian Skirving), was released theatrically in 2008 and broadcast by ABC1 in 2009. He is the composer and lyricist of the Olivier Award-winning, Tony Award-winning and Grammy Award-nominated show Matilda the Musical and the Olivier Award-winning and Tony Award-nominated show Groundhog Day The Musical. In 2013, he played rock star Atticus Fetch on Californication and in 2019 he co-wrote and starred as Lucky Flynn in the TV series Upright.

In 2013, the University of Western Australia awarded Minchin an honorary Doctor of Letters degree for his contribution to the arts. In 2015 he was awarded a second honorary Doctor of Letters degree from the Mountview Academy of Theatre Arts and in 2019 he was awarded an honorary Doctorate of Performing Arts from Edith Cowan University. He was appointed a Member of the Order of Australia in the 2020 Australia Day Honours "for significant service to the performing arts, and to the community".