Hermes Gamonal (born 31 May 1977) is a former professional tennis player from Chile.

[1] Gamonal first played Davis Cup tennis for Chile in 1998 and by the time he retired had taken part in nine ties.

[2] The Chilean appeared in one Grand Slam event during his career, the 2003 French Open.

[3] He lost in straight sets to Christophe Rochus in the first round.

[3] By late 2006, Gamonal decided to retire from professional tennis, claiming that multiple injuries interrupted his career.