Forrest Scott Kline (born November 7, 1983) is an American musician, singer, songwriter, and guitarist.

He is of German descent and spent most of his childhood in Huntington Beach, California and in Palm Desert, California, and attended Huntington Beach High School, along with ex-bandmate Jesse Kurvink, during his teenage years.

As part of Hellogoodbye, he won the MTV2 Dew Circuit Breakout contest.

In 2010, he wrote or co-wrote the songs as well as produced Hellogoodbye's second LP Would It Kill You?.

On June 25, 2010, Kline married his girlfriend of six years, Chelsea, with whom he lives in Long Beach, California.