Tatiana S. Riegel A.C.E., is an American film editor known for independent films such as Lars and the Real Girl, The Way Way Back and I, Tonya. She received an ACE Eddie award for "Best Edited Miniseries or motion picture for Non-Commercial Television".
Riegel is older half-sibling to actress Eden Riegel and screenwriter/voice-actor Sam Riegel. Together, the Riegel family has produced more than a dozen webisodes for the popular 2008 Internet series Imaginary Bitches.
Riegel became a member of Academy of motion picture Arts and Sciences in 2014.