Jaime Hammer (born May 16, 1982) is an American Playboy glamour model and Penthouse Pet[ of Italian and German descent. Hammer appeared on the cover of the Spring 2004 issue of Playboy's College Girls, her first Playboy modelling work. She later appeared on other Playboy Special Edition covers including the 100th edition of Playboy's Lingerie. She was Playboy's Cyber Girl of the Week for May 23, 2005 and Cyber Girl of the Month for September 2005. She appeared on the cover of the November 2007 issue of Penthouse as well as being featured as the Pet of the Month. She has also appeared in Perfect 10, Exercise & Health, and Open Your Eyes magazines.

Born in Chicago, Illinois, she attended the progressive Francis W. Parker high school, as well as Arizona State University, where she graduated with a degree in communications in 2004. Hammer moved to Los Angeles to pursue a career in modeling/entertainment. In June 2008, Hammer relocated to Las Vegas, Nevada to continue her modeling career. Hammer said 2009 would be her last year of modeling. She has not updated her official website with new content since June 2009.