Osman Sonant (born 1 March 1979) is a Turkish actor. He started his career in 1997 at Bahçelievler Municipal Theatre and was trained by Yılmaz Gruda. In 1998, he continued his career at Ortaoyuncular Nöbetçi Theatre run by Ferhan Şensoy and the next year he enrolled in Istanbul University State Conservatory and eventually graduated with a degree in stage arts studies. After appearing in various plays, movies and TV series, in 2009 he received the Best Supporting Actor award at the 16th Golden Boll Film Festival for his role in Pandora'nın Kutusu.
Since 2011, He is playing the character of Yavuz in the hit surreal comedy series Leyla ile Mecnun. In 2015, he had a leading role in Onur Ünlü's Beş Kardeş series, portraying the character of Orhan. Sonant has also appeared in the psychological thriller TV series Fi and in 2020 had a leading role in the Netflix historical docudrama Rise of Empires: Ottoman.