Jenna von Oÿ, born Jennifer Jean von Oÿ on May 2, 1977, in Danbury, Connecticut, is an American actress, singer, and author. She began her acting career as a child, appearing in regional stage productions and commercials.

Her television debut came in 1986 with an episode of ABC Weekend Special, followed by guest roles on shows like Tales from the Darkside and Kate & Allie. She is best known for her role as Dorothy "Six" LeMeure in the 1990 sitcom Blossom and Stevie Van Lowe in the 1999 sitcom The Parkers.

After Blossom ended, she attended film school at the University of Southern California and was a member of the Kappa Alpha Theta sorority before returning to acting. She has also provided voices for animated characters, including Stacey in A Goofy Movie and Trinket St. Blair in Pepper Ann.

She ventured into music with her debut album Breathing Room in 2007 and later released an EP titled Coffee & Men in 2009.

In her personal life, Jenna von Oÿ married Brad Bratcher in 2010, and they have two daughters together. The couple divorced in 2020, and Jenna publicly came out as gay in 2023. She has also written a book titled Situation Momedy: A First-Time Mom's Guide to Laughing Your Way Through Pregnancy & Year One.