FITOGORMONHO (az fito… va gormonfo), gormonhoi nabotot, moddahoi rushd, moddahoi khimiyaviro guyand, ki dar rastaniho hosil shuda, sabzishu inkishofi onhoro tanzim mekunand. Az rui sokht va khususiyathoi tasir fitogormonho gunogunand.
Ba fitogormonho auksinho, gibberellinho, sitokininho (yo kininho) va florigen dokhil meshavand. Nazar ba gormonhoi hayvonot tasirashon mazdud ast va mamulan dar joyhoi paydoshudaashon tasir mekunand.