Otha Foster III (born September 27, 1988) is an American former professional gridiron football defensive back. He played college football at West Alabama. He has been a member of the Kansas City Chiefs and Baltimore Ravens of the NFL, and the Toronto Argonauts, Edmonton Eskimos, Saskatchewan Roughriders and BC Lions of the CFL.

Foster played for two years at Pearl River Community College during 2009 and 2010. He then transferred to the University of West Alabama where he completed his college career in 2011 and 2012, where his career record included 96 tackles, 16 pass deflections and 10 interceptions.

Foster joined the United States Marine Corps in 2007 after he was redshirted at Southern University, attending basic training at Marine Corps Recruit Depot Parris Island and becoming a communications expert. He served in the Marines while playing football for two years at Pearl River Community College.^[16]

He is the father of three children, Olavia K. Foster, born on April 16, 2010. He is also the father of Otha Foster IV, and Oakley Delores.^[17] Foster's Mother is Valerie Lee Foster Aikens. Foster's father, Otha Foster Jr., died January 9, 2010, after being a disabled dialysis patient for 19 years. Foster III was the main caregiver for his father since the age of eight. Even though Foster Jr. was on dialysis, he still managed to coach Foster III's little league football team. He lived to see him play JUCO, but he died at the age of 43, during Christmas break, before Foster III started at West Alabama.