Billy Martin (born December 25, 1956), is a right-handed former professional tennis player from the United States.
During his career he won 1 singles titles and 3 doubles titles.
He achieved a career-high singles ranking of world No.
32 in 1975.
Martin currently serves as the head coach for the UCLA Bruins men's tennis team, a position he has held for the past 24 years since 1994.
Martin, who played at UCLA, has a 14 straight top 5 NCAA team finishes and a 9 consecutive 20-win seasons.
He was named ITA (Intercollegiate Tennis Association) division 1 National Coach of the Year and is a member of ITA Hall of Fame.
He beat Raul Ramirez and Stan Smith at the Washington D.C.