Kate Boutilier is an American screenwriter whose credits include the animated television series Rugrats, The Wild Thornberrys, Holly Hobbie & Friends, and All Grown Up!, and the feature films The Wild Thornberrys Movie, Rugrats Go Wild, and Rugrats in Paris. She co-created and produced the series Poppy Cat and The Mr. Men Show, and is currently co-showrunning the Rugrats reboot.

• Falcon Crest (1986)
• Family Ties (1986)
• Just the Ten of Us (1988-1989)
• Baywatch (1990)
• She-Wolf of London (1991)
• Northern Exposure (1992)
• Growing Pains (1987-1989)
• Freshman Dorm (1992)
• Lois & Clark: The New Adventures of Superman (1994)
• Deadly Games (1995)
• Rugrats (1997-1998)
• The Famous Jett Jackson (1998)
• The Wild Thornberrys (1998-2000)
• Rugrats in Paris: The Movie (2000)
• The Wild Thornberrys Movie (2002)
• As Told by Ginger (2001-2002)
• Rugrats Go Wild (2003)
• All Grown Up! (2003-2007)
• Holly Hobbie & Friends (2006-2009)
• Olivia (2008-2011)
• The Mr. Men Show (2007-2009)^[1]
• Poppy Cat (2010-2014)
• Rugrats (2021) (2021-present)
• The Unstoppable Yellow Yeti (2022-present)

• Rugrats (1991-1998)
• As Told by Ginger (2002)
• Olivia (2008-2011)
• The Mr. Men Show (2007-2009)
• Poppy Cat (2010-2014)
• Lilybuds (2018–present)
• Rugrats (2021) (2021-present)

• Growing Pains (1987-1988)
• Baywatch (1990)

She has also written and composed songs for television and films.

• Rugrats Go Wild (2003)
• Holly Hobbie & Friends (2006-2009)