Lionel Nallet is a former French rugby union player. He played as a lock and is a former captain of the France national team. He began his professional career with CS Bourgoin-Jallieu, playing there from 1998 to 2003 before moving to Castres Olympique. Nallet moved from there to Racing in 2009 before finishing his career with Lyon OU between 2012 and 2015.

CS Bourgoin-Jallieu is a French rugby union club competing in the third level of the French league system, Nationale.