Cognomen 奇炜 (Qiwei 
, 奇炜 ) , around the globe, is a rare family name. The surname 奇炜 is habitual in South-eastern Asia, particularly Singapore, where it is a rare surname, Malaysia, where it is a very rare surname, and Cambodia. Measured by absolute frequency, it is commonest in China, Malaysia, and the United States. Much more frequently, 奇炜 is the forename as well as the last name.