The Secret Tunnel is a 1947 British children's comedy-drama film directed by William C. Hammond and starring Anthony Wager, Ivor Bowyer and Thelma Rea.

It was produced by Frank A. Hoare for Cinema Clubs for Boys and Girls, a predecessor of the Children's Film Foundation, and made by Merton Park/G.B.

Antiques collector Roger Henderson returns from abroad to his stately home to find a valuable Rembrandt painting missing.

It turns out that the housekeeper is in cahoots with a gang of thieves, who are using a secret tunnel leading to the house to escape with the stolen goods.

Children's Entertainment Films have made a number of Boys' Clubs pictures lately and this is not the first to turn out equally suitable [for] adult audiences.