Rajna

Rajna is a surname. In several Eastern European languages such as Hungarian, Rajna is the name of the river Rhine.

Notable people with this surname include:
 * András Rajna (born 1960), Hungarian sprint canoer
 * Daniel Rajna (born 1968), South African ballet dancer
 * Mihály Rácz Rajna (born 1934), Hungarian stage actor
 * Miklós Rajna (born 1991), Hungarian ice hockey goaltender
 * Rajna Dragićević, Serbian linguist, lexicologist and lexicographer
 * Thomas Rajna (1928–2021), British composer