NGC 3626, also Caldwell 40, is a spiral galaxy in the constellation Leo, located near the naked-eye class A4 star Zosma.
NGC 3626 shines at magnitude +10.6; its angular dimensions are 2.7' x 1.9'. It is located near the galaxies NGC 3608, NGC 3607, NGC 3659, NGC 3686, NGC 3684, NGC 3691, NGC 3681, and NGC 3655. The galaxy belongs to the Leo II group, which lies 70 million light-years away.