Ashihara (written: 芦原) is a Japanese surname. Notable people with the surname include:
, Japanese karate school master Ashihara kaikan, a school and style of karate founded by Hideyuki Ashihara , Japanese manga artist , Japanese architect , Japanese businessman
See also Ashihara no Nakatsukuni, in Japanese mythology, the world between Takamagahara (Heaven) and Yomi (Hell)