Shagin () is a Russian surname. Notable people with the surname include:
Alex Shagin (born 1947), Soviet and Russian coin designer Anton Shagin (; born 1984), Russian actor Dmitry Shagin ():ru:Шагин, Дмитрий Владимирович Ivan Shagin ():ru:Шагин, Иван Михайлович Vladimir Shagin ():ru:Шагин, Владимир Николаевич Shagin Law Group, a law firm in Harrisburg, Pennsylvania, founded in 1996 as Shagin and Anstine by Craig Shagin
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