Boris Leonidovich Avrukh (Hebrew: בוריס ליאונידוביץ' אברוך; Russian: Борис Леонидович Аврух; born 10 February 1978 in Karaganda, Soviet Union) is an Israeli chess grandmaster.

In 1999, he tied for 5–6th with Alexander Huzman in Tel Aviv (Boris Gelfand, Ilia Smirin, and Lev Psakhis won).

In 2000, he tied for 1st-2nd with Huzman in Biel and took 6th in Haifa (Wydra Tournament; Viswanathan Anand won).

He took part in the FIDE World Chess Championship 2002, but was knocked out in the first round by Bartłomiej Macieja.

He cites Garry Kasparov as his favourite player of all time "for his powerful style and killer instinct.