Walkin or Valkin is a surname. It can be an Ashkenazi Jewish surname, . Notable people with the surname include:
(1864–1942), rabbi of Pinsk a halachic authority Brandon Walkin (born 1994), Australian tennis player Chaim Walkin (1945–2002), Israeli Orthodox rabbi, dean, and lecturer (1897–1941), the last rosh yeshiva of the Volozhin Yeshiva
See also