Susan Lewis is a fictional character from the television series ER.

Susan Lewis may also refer to:

Susan Lewis (writer) (born 1956), British author Susan Lewis, Her Majesty's Chief Inspector of Education and Training in Wales, 2008 New Year Honours Susan Williams (artist) (fl. 1963–2015), American artist, née Lewis

See also Susanne Lewis, German American musician, songwriter and artist Susie Lewis, American writer and producer Sue Lewis (born 1954), Australian swimmer