Provincial Road 303 (PR 303) is a short east-west provincial road in the Eastman Region of the Canadian province of Manitoba.
PR 303 starts as a paved road at Provincial Trunk Highway (PTH) 12 south of Steinbach and runs east for approximately until it reaches the settlement of Friedensfeld. The route continues east as a gravel road for before ending at PR 302 in the Rural Municipality (RM) of La Broquerie.
Until 1992, PR 303 extended west from PTH 12 through the communities of Kleefeld and Otterburne to PR 200. The former sections of PR 303 are now municipal roads known as Ridge Road, a paved two-lane highway in the RM of Hanover, and Road 34N (College Avenue in the RM of Hanover and Otterburne Road in the RM of De Salaberry), part of which is also a paved two-lane highway (PTH 59 west to Otterburne).