Ittai \i(t)-tai\ as a boy's name is a variant of Itai (Hebrew), and the meaning of Ittai is "the Lord is with me".

The baby name Ittai sounds like Otto, Otha and Ota. Other similar baby names are Dai, Ian, Iain, Idan, Ieuan, Ilia, Imad, Ira, Isa, Iziah, Isiah, Isia, Isaia, Itiel, Italo, Iyyar, Ketti, Mata, Matti and Nata.