The present invention provides a photography light panel reflector clamp for mounting a photography light panel reflector with a rod member. The photography light panel reflector clamp of the present invention includes a central member, a groove and a turning clamp set. A rod member clamping seat is disposed on the central member, and a mounting portion is disposed at an opening of the rod member clamping seat. The groove is formed across a mounting face on a side of the central member, and the turning clamp set is disposed on the central member next to the groove. A flange of the photography light panel reflector has a segment fitted in the groove, and the turning clamp set is utilized to fix the segment of the flange of the photography light panel reflector in the groove with the photography light panel reflector clamp.