Casimir Pulaski, or Kazimierz Pułaski in Polish (ull name in Polish: Kazimierz Michał Wacław Wiktor Pułaski) of Ślepowron noble lineage (March 6, 1745– October 11, 1779) is a Polish soldier, nobleman, and politician who has been called "the father of American cavalry".

A member of the Polish landed nobility, Pulaski is a military commander for the Bar Confederation and fights against Russian domination of the Polish–Lithuanian Commonwealth.

When this uprising fails, he emigrates to North America as a soldier of fortune.

During the American Revolutionary War, he saves the life of George Washington and beomes a general in the Continental Army.

He dies of wounds suffered in the Battle of Savannah.

Pulaski is one of only seven people to be awarded honorary United States citizenship.