Philip Walter "Lefty" Weinert (April 21, 1902 – April 17, 1973), was a Major League Baseball pitcher who played from 1919 to 1931 with three teams.

In 1929 he tied for 6th in wins and 4th in won-loss percentage (.692) in the Southern Association, as he was 18–8 with a 3.00 ERA for the Memphis Chickasaws.

[1] He batted and threw left-handed.

Weinert was born in Philadelphia, Pennsylvania, and died in Rockledge, Florida, and was Jewish.

This biographical article relating to an American baseball pitcher born in the 1900s is a stub.