Kim Nielsen

Kim Nielsen may refer to
 * Kim Nielsen (cyclist) (born 1986), Danish cyclist
 * Kim Nielsen (guitarist) (born 1964), American hard rock bass guitar player
 * Kim Nielsen (wrestler) (born 1973), American professional wrestler and valet
 * Kim Herforth Nielsen (born 1954), Danish architect
 * Kim Milton Nielsen (born 1960), Danish football referee
 * Kim Østergaard Nielsen (born 1974), Danish footballer
 * Kim E. Nielsen American historian and author