Heidi Lynn Gardner (born July 27, 1983) is an American actress, comedian, and writer. She has been a cast member on the NBC sketch comedy series Saturday Night Live since season 43 in 2017, when she debuted as a featured player.

In 2014, Gardner joined the Sunday Company and a year later after a promotion to the Main Company, she quit her job as a hairstylist to focus on acting. During that time, she became a voice actress, regularly appearing on animated series incuding Bratz, SuperMansion, and Mike Tyson Mysteries. In 2017, she joined the cast of Saturday Night Live (SNL) along with Luke Null and Chris Redd for its forty-third season.