Jeffrey S. Davidow (born January 26, 1944) is a career foreign service officer from the U.S. state of Virginia. Davidow has served as a member of the Senior Foreign Service, as well as having been the U.S. Ambassador to Zambia, Venezuela, and Mexico. Upon completion of 34 years of service, he retired as the highest ranking U.S. diplomat. Davidow was one of the few people to hold the rank of Career Ambassador.