Born in Safed, Israel, Ohayon started his career in Hapoel Galil Elyon, with whom he won the Israeli youth league championship.

In the 2006–07 season, he led Hapoel Galil Elyon to the Israeli final four, with the team ultimately finishing in third place.

If Ohayon wanted to leave Maccabi Tel Aviv, Lokomotiv Kuban would have to have reached an agreement on a buyout with his former club.

[5] In his second season with Jerusalem, he helped the team win the 2019 Israeli State Cup.

On July 7, 2019, Ohayon signed a two-year deal with Hapoel Holon, joining his former teammate Guy Pnini.