Harry Trainer (1872 – May 1924) was a Welsh international footballer.

He was part of the Wales national football team, playing three matches and scoring two goals.

[1] At club level, he played for Leicester Fosse and was topscorer of the team of the 1895–96 season with 14 goals.

In January 1901, Trainer was sentenced to nine months imprisonment with hard labour for breaking and entering, and theft of jewellery.

This biographical article related to association football in Wales, about a forward, is a stub.