Mostotrest (Russian Мостотрест ) is a Russian group of companies in the construction industry. Focus of the activities is the transport infrastructure, particularly the construction and maintenance of roads, railways, tunnels and bridges. In bridge Mostotrest in the Russian Federation is the market leader.

Mostotrest was founded in 1930, is headquartered in Moscow, today, the legal form of a joint stock company ( OJSC ) and employed the end of 2011 more than 21,000 employees. The Group's revenue reached 123.7 billion rubles in 2012. Chairman and CEO of the group is Georgi Korjaschkin.