Baby Names Boy Names Meaning of the Name Hieu Updated May 7, 2026 by Jennifer M. Hieu Gender: Male Origin: Vietnamese Meaning: Pious, Respectful ♥ Add to my Namelist What is the meaning of the name Hieu? The name Hieu is primarily a male name of Vietnamese origin that means Pious, Respectful. People who like the name Hieu also like: Gabriel, Haru, Karim, Jerom, Bram, Hani, David, Julia, Vala Names like Hieu: Hawaii, Hye, Hy, Hee, Hawa, Hao, Howe, Hoai, Hue, Howea, Hea, Howie, Huy, Huey, Ha, Howi, Haya, Hui, Hoho Stats for the Name Hieu Hieu is currently not in the top 100 on the Baby Names Popularity Charts Hieu is currently not ranked in U.S. births