In all the world, 吉约 (Gillot 
, Guillaud 
, 吉约 
) is a rare mostly girly, but infrequently masculine first name. The first name 吉约 is habitual in Martinique, where it is quite a common feminine name, France, where it is a very rare gender-neutral name, and China, where it is an extremely rare boy's name. Much more frequently, 吉约 is the last name as well as the forename.