Pierre Gentil (12 October 1881 – 4 April 1958) was a French sport shooter who competed in the 1912 Summer Olympics. He was born in Paris.^[1]

In 1912 at the Stockholm Games he participated in the following events:^[2]

• team 50 metre small-bore rifle - fourth place
• team free rifle - fourth place
• team rifle - fifth place
• 25 metre small-bore rifle - 27th place
• 300 metre military rifle, three positions - 61st place
• 600 metre free rifle - 69th place
• 300 metre free rifle, three positions - did not finish