Baby Names Boy Names Meaning of the Name Tau Updated January 14, 2026 by Jennifer M. Tau Gender: Male Origin: Aboriginal Meaning: Twilight ♥ Add to my Namelist What is the meaning of the name Tau? The name Tau is primarily a male name of Aboriginal origin that means Twilight. People who like the name Tau also like: Danian, Bunji, Goonagulla, Yarran Names like Tau: Ty, Thady, Thoth, Tadi, Thu, Thy, Tait, Tao, Thuy, Tiya, Tehya, Tut, Theda, Thea, Tayte, Tiwa, Tuwa, Toya, Twee, Toyah, Thai, Thi, Toi, Thuyet, Tai, Theia, Tahiya, Toddy, Tay, Tutti Stats for the Name Tau Tau is currently not in the top 100 on the Baby Names Popularity Charts Tau is currently not ranked in U.S. births