Baby Names Gender-Neutral Names Meaning of the Name Thu Updated November 11, 2025 by Jennifer M. Thu Gender: Neutral Origin: Vietnamese Meaning: Autumn ♥ Add to my Namelist What is the meaning of the name Thu? The name Thu is primarily a gender-neutral name of Vietnamese origin that means Autumn. People who like the name Thu also like: Zebadiah, Dinh, Qutab, Bao, Madog, Aethelric, Jamarcus, Thao, Kieu, Keyah, Bian, Miyo, Leilani, Sana Names like Thu: Tai, Tuwa, Tay, Toi, Taye, Tadeo, Tehya, Todd, Tu, Tate, Thuyet, Totie, Thady, Teddy, Tau, Tahiya, Taia, Tad, Toyah, Tait, Tiya, Tao, Thoth, Thi, Twee, Taya, Theudo, Tutti, Tut, Tiwa Stats for the Name Thu Thu is currently not in the top 100 on the Baby Names Popularity Charts Thu is currently not ranked in U.S. births