Erika "Riki" Lindhome (born March 5, 1979) is an American actress, comedian, and musician. She is also known as a singer and songwriter for the comedy folk duo Garfunkel and Oates.

After making her television debut in 2002 with minor roles in the television series Titus and Buffy the Vampire Slayer, she guest starred on the WB series Gilmore Girls (2005–2006), the CBS sitcom The Big Bang Theory (2008; 2017), and the HBO series Enlightened (2011). She co-created and starred in the Comedy Central period sitcom Another Period (2015–2018) with Natasha Leggero. She voiced the recurring role of Kimberly Harris in the Fox animated sitcom series Duncanville (2020–2022) and, as of 2022, stars as Dr. Valerie Kinbott in the Netflix comedy horror series Wednesday.

Lindhome made her feature film debut in the 2004 film Million Dollar Baby as Mardell Fitzgerald, and went on to star in the comedy horror films Hell Baby (2013) and The Wolf of Snow Hollow (2020). She also had supporting roles in the films Pulse (2006), The Last House on the Left (2009), Much Ado About Nothing (2012), Fun Size (2012), The Lego Batman Movie (2017), and Knives Out (2019).

In 2007, she formed Garfunkel and Oates with actress Kate Micucci. The duo starred in, produced, and wrote an eponymous television series on IFC, which aired for one season in 2014. Their 2016 Vimeo comedy special, Garfunkel and Oates: Trying to Be Special, was nominated for a Primetime Emmy Award for Outstanding Original Music and Lyrics.

Early life
Erika Lindhome was born on March 5, 1979, in Coudersport, Pennsylvania, and raised in Portville, New York. She is primarily of Swedish ancestry. Lindhome graduated from Portville High School in 1997. She majored in communications and film at Syracuse University, where she graduated in 2000.

In 1997, Lindhome won first prize in the JFK Profiles in Courage essay contest awarded by the John F. Kennedy Library in Boston. Lindhome's subject was United States Representative Carolyn McCarthy (D-NY), whose outrage at the murder of her husband and five others by a gunman on a Long Island train compelled her to challenge and win the seat held by her congressman, who had voted to repeal the Federal Assault Weapons Ban.