Operation Sinai

Operation Sinai may refer to:


 * Sinai and Palestine campaign, during WWI
 * Operation Kadesh, an Israeli military operation in the Sinai Peninsula during the Suez Crisis in 1956
 * Operation Sinai (2012), an ongoing Egyptian military campaign, launched since early August 2012, against Islamic militants within the Sinai Peninsula to crush the Sinai Insurgency
 * Comprehensive Operation – Sinai 2018, code name of a large counter-terrorism campaign conducted by the Egyptian Armed Forces and the Interior Ministry