Mary Jean "Lily" Tomlin (born September 1, 1939) is an American actress, comedian, writer, singer, and producer. Tomlin began her career as a stand-up comedian, and performing Off-Broadway during the 1960s. Her breakout role was performing as a cast member on the variety show Rowan & Martin's Laugh-In from 1969 until 1973. She currently stars on the Netflix series Grace and Frankie as Frankie Bergstein. Her performance as Frankie garnered her three consecutive nominations for the Primetime Emmy Award for Outstanding Lead Actress in a Comedy Series in 2015, 2016, and 2017.

In 1974, Tomlin was cast by Robert Altman in her first film; her performance as Linnea Reese in Nashville won her several awards and nominations for the Golden Globe and Academy Award for Best Supporting Actress.

In 1977, her performance as Margo Sperling in The Late Show won her the Best Actress Award at the Berlin International Film Festival and nominations for the Golden Globe and BAFTA Award for Best Lead Actress. Her other notable films include 9 to 5 (1980), All of Me (1984), Flirting with Disaster (1996), Tea with Mussolini (1999), I Heart Huckabees (2004), and Grandma (2015).

Her signature role was written by her then partner (now wife), Jane Wagner, in a show titled The Search for Signs of Intelligent Life in the Universe which opened on Broadway in 1985 and won Tomlin the Tony Award for Best Lead Actress in a Play. She is also known as the voice of Ms. Frizzle on the children's series The Magic School Bus. She won her first Emmy Awards in 1974 for writing and producing her own television special, Lily. Tomlin won a Grammy Award for her 1972 comedy album This Is a Recording. In 2014, she was given Kennedy Center Honors and in 2017 she received the Screen Actors Guild Life Achievement Award.