Disclosed is a photographic lamp chuck compatible with different lamp holders. The photographic lamp chuck comprises a main chuck body (100), wherein an accessory installation position is provided on the main chuck body (100), a first insertion hole (101) for accommodating a lamp holder of a first-type photographic lamp is provided in the main chuck body (100), an arc-shaped positioning face (103) and a groove body (102) are formed in an inner wall of the first insertion hole (101), a positioning inserting member (200) is movably inserted into the groove body (102), a first positioning face is arranged on the positioning inserting member (200), a second insertion hole (202) is enclosed by the first positioning face of the positioning inserting member (200) and the inner wall of the first insertion hole (101), and the second insertion hole is used for accommodating a lamp holder of a second-type photographic lamp.