Loor or de Loor is a surname. It may be a Dutch or Flemish occupational surname meaning 'peddler, or 'ragman'.LoorLoor, In: Dictionary of American Family Names (2 ed.), 2002 It may also be a surname of Spanish origin. Notable people with the surname include:

Barbara de Loor (born 1974), Dutch speed skater

Ivan Loor (born 1955), Russian politician

Viljar Loor (1953–2011), Estonian volleyball player

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