Seksan is a Thai masculine first name and may refer to:
Seksan Chaothonglang (born 1983), Thai footballer Seksan Piturat (born 1976), Thai footballer Seksan Prasertkul (born 1949), a student leader of the October 1973 uprising in Thailand Seksan Sukpimai (born 1974), ( Sek Loso) the singer-guitarist of the Thai rock band Loso