Dobrinka (Russian: До́бринка) is a rural locality (a settlement) and the administrative center of Dobrinsky District of Lipetsk Oblast, Russia, located on the Gryazi–Borisoglebsk railway line, in the upper streams of the Plovutka River. Population: 9,572 (2010 Census); 10,153 (2002 Census); 9,673 (1989 Census).