Vallin or Vallín is the name of:
Ari Vallin (born 1978), Finnish ice hockey player
Charles Vallin (1903-1948), French politician.
Eugène Vallin (1856–1922), French furniture designer and manufacturer
Jean-Baptiste Michel Vallin de la Mothe (1729 – May 7, 1800), French architect
Louis Vallin (1770–1854), French general
Ninon Vallin (1886–1961), French soprano
Rick Vallin (1919–1977), Russian American actor
Sergio Vallin