Surname แซ่กี้ (Saeki 
, แซ่กี้) , globally, is quite a rare family name. The cognomen แซ่กี้ is habitual in Hong Kong, where it is quite a rare surname, Taiwan, where it is a rare surname, and Singapore. Measured by absolute frequency, it is the most numerous in Japan, Brazil, and Taiwan. Very seldom, แซ่กี้ is the forename as well as the last name.