Kaspar, or Kasparus Karsen (April 2, 1810 in Amsterdam - July 24, 1896 in Biebrich near Wiesbaden, Germany) was a 19th-century painter from the Northern Netherlands who specialised in townscapes.
He was a pupil of Hendrik Gerrit ten Cate, Dirck Vettewinkel, and George Pieter Westenberg, who later taught Cornelis Springer 1835-1837 and worked in Haarlem 1842–1844.[1] He became a member of Arti et Amicitiae in 1836 and enjoyed making trips to Prague and Germany.[1] Besides Springer, his pupils were Johannes Frederik Hulk, his son, Eduard Karsen, Henricus Jacobus Levelt, Coen Metzelaar, Henry Mosselman, and Alexander Oltmans.[1]