Tiffany Fallon (born May 1, 1974 in Ft. Lauderdale, Florida) is an American model who was chosen as Miss December 2004 for Playboy magazine and later was chosen as their 2005 Playmate of the Year. Fallon is of Irish American descent.

Prior to becoming a Playmate, Fallon was a student and a member of Delta Gamma at Florida State University. In the late 1990s, she was a cheerleader for the Atlanta Falcons, and was a member of the cheerleading squad when the Falcons qualified for Super Bowl XXXIII.

In 2000, she won the Miss Georgia USA 2001 title in her first attempt at the pageant crown. She went on to represent Georgia in the Miss USA 2001 pageant. She made the first cut of ten delegates, placed fifth in the swimsuit competition (9.10) and second in the evening gown competition (9.33), going into the top six in fourth place. Her evening gown was a simple black design. Fallon placed highest in the final interview round, but eventually placed second runner-up in the nationally televised event.