Elisabeth Röhm (born April 28, 1973 in Düsseldorf, Germany) is a German-American television actress best known for playing Assistant District Attorney Serena Southerlyn on the television drama Law & Order, a role she played from 2001 to 2005.

Röhm moved to New York City before reaching her first birthday and later lived in[1] Greenwich, Connecticut. She maintains dual citizenship (U.S. and Germany). Her father, Eberhard, was a German corporate attorney. Her mother, Lisa, once wrote for the soap opera Guiding Light. The two divorced when Röhm was 8 or 9.

She graduated from St. Andrews-Sewanee and attended Sarah Lawrence College in Yonkers, New York, where she studied writing and European history.

Rohm, who made Maxim magazine`s "Hot 100" list in 2002, had her first major television role as Dorothy "Dorf" Hayes on the soap opera One Life to Live (1997). She also had recurring guest appearances on Angel as Detective Kate Lockley and a regular role on the TNT drama Bull before being cast in Law & Order. She left the series in 2005. She is expecting a baby girl on April 28, 2008 whom she plans to name Easton.