Alexandr Moyseyevich Evensohn (Evenson, Evensson) (1892–1919) was a Russian chess master.
In 1909, Evensohn took 7th at Kiev. The event was won by Nikolaev. In 1911, he took 3rd, behind Efim Bogoljubow and Izbinsky, at Kiev. In 1911, he took 4th at Kiev. The event was won by Fedor Bohatirchuk. In 1913, he won, followed by Andrey Smorodsky, Boris Verlinsky, et al., at St Petersburg. In January 1914, he took 9th at St. Petersburg in the Russian Championship; the event was won by Alexander Alekhine and Aron Nimzowitsch. In 1914, he won, ahead of Bogoljubow and Bohatirchuk, at Kiev.
During World War I, in 1916, Evensohn lost a mini-match against Alekhine at Kiev (+1 –2 =0). Also in 1918, he lost against Alekhine at Kiev.
Evensohn was a lawyer by training and served on a military tribunal. After the Russian Revolution, he was shot.