Ohr Somayach may refer to:
- Ohr Somayach (book) - pen name of Rabbi Meir Simcha of Dvinsk and his major written work
- Ohr Somayach, Jerusalem refers to a network of yeshivas based in Israel
- Ohr Somayach, Monsey a yeshiva in the United States
- Ohr Somayach, South Africa is the South African affiliate of Ohr Somayach, Jerusalem
- Ohr Somayach, Toronto, affiliate of Ohr Somayach, Jerusalem in Canada