Orhan Alp (1919 – 21 January 2010) was a Turkish mechanical engineer, politician and former government minister.
In 1964, he resigned from the TCDD, and briefly served in the Middle East Technical University as a lecturer.
Although he was not a parliament member in 1965, he was appointed as the Minister of Public Works in the 29th government of Turkey on 20 February 1965, and served until 27 October 1965.
But in 1977, he resigned from the Justice Party, and continued as an independent parliament member.
In the 42nd government of Turkey, he served as the Minister of Industry, between 5 January 1978 and 12 November 1979.