The Tortoise Trainer is a painting by Osman Hamdi Bey, with a first version created in 1906 and a second in 1907.

• Standing thoughtfully, the man hopes to accomplish the difficult task of taming the turtles, which requires patience, by stealing the ney and the nakkare on his back. According to this interpretation, the trainer is Osman Hamdi Bey himself. The fact that the trainer tries to handle the difficult task with the musical instruments in his hand emphasizes that Osman Hamdi Bey also tried to bring a society that resists change to a contemporary level through art, and therefore he attempted to open an art school and a museum.

The fact that the trainer could not blow what he would use to train the tortoises and kept it behind, was interpreted as Osman Hamdi Bey gave up on blowing the ney, that is, educating the people represented by the turtles, because even the patience of the dervish had an end. It has also been suggested that the source of inspiration for the turtles in th