Cognomen Trọn (Trọn 
) , around the globe, is a rare last name. The family name Trọn is habitual in South-eastern Asia, particularly Vietnam, where it is a rare surname. Very seldom, Trọn is the forename as well as the last name.
Lê, Chị, Phạm, Nguyễn, Đặng Minh, Trần Văn, Nguyễn Văn, and Nguyễn Thị