Knud Andersen

Knud Andersen may refer to:


 * Knud Andersen (cyclist) (1922–1997), Danish cyclist
 * Knud Andersen (footballer, born 1900) (1900–1967), Danish footballer
 * Knud Andersen (footballer, born 1917) (1917–2003), Danish footballer
 * Knud Andersen (mammalogist) (1867–1918), Danish zoologist
 * K. B. Andersen (1914–1984), Danish politician