Soyuz TMA-08M, identified as Soyuz 34 or 34S by NASA, was a 2013 flight to the International Space Station. It transported three members of the Expedition 35 crew to the International Space Station. TMA-08M was the 117th flight of a Soyuz spacecraft, the first flight launching in 1967.

Expedition 35 was the 35th long-duration mission to the International Space Station (ISS). The expedition started 13 March 2013, and marked the first time a Canadian astronaut – Colonel Chris Hadfield – was in command of the station. Expedition 35 was also only the second time an ISS crew is led by neither a NASA astronaut, nor a Roscosmos cosmonaut, after Expedition 21 in 2009, when ESA astronaut Frank De Winne was in command. The expedition lasted two months.