Baby Names Gender-Neutral Names Meaning of the Name Cui Updated January 15, 2026 by Jennifer M. Cui Gender: Neutral Origin: Incan Meaning: Guinea Pig ♥ Add to my Namelist What is the meaning of the name Cui? The name Cui is primarily a gender-neutral name of Incan origin that means Guinea Pig. Names like Cui: Chijioke, Chickoa, Chachi, Chase, Cais, Cahya, Ces, Chikezie, Chouko, Chicago, Cocohuay, Cusi, Cache, Choi, Cissy, Chazz, Chessa, Chiaki, Cassie, Coaxoch, Chiku, Chico, Cashi, Cha, Chaos, Cheche, Coe, Chizu, Chiyoko, Cuc Stats for the Name Cui Cui is currently not in the top 100 on the Baby Names Popularity Charts Cui is currently not ranked in U.S. births