|Born||1956/1957 (age 57–58)
|Education||Technical University of Berlin|
|Occupation||Executive Chairman and CEO of Orascom Development Holding AG|
|Net worth|| US $ 1.4 billion (est.)
|Relatives||Onsi Sawiris (father); Naguib Sawiris and Nassef Sawiris (brothers)|
Samih Onsi Sawiris (in Arabic سميح ساويرس) (born in 1957) is an Egyptian-Montenegrin businessman and billionaire  and second of three sons of Onsi Sawiris, the other two being Naguib Sawiris and Nassef Sawiris. He is the executive Chairman of the Board of Directors and CEO of Orascom Development Holding AG. As of 2011 his net worth was estimated at $1.4 billion, making him the 879th richest person in the world.
Samih Sawiris received his Engineering Diploma in Engineering management from the Technical University of Berlin in 1980. He founded National Marine Boat Factory, followed by Orascom Projects for Touristic Development in 1996 and Orascom Hotels and Development in 1998; the latter two companies later merged to form Orascom Development Holding AG. He has served as CEO and chairman of Orascom Development Holding AG since its incorporation.
He became a Montenegrin citizen in 2011.