Maurits Frank (29 July 1892 in Rotterdam – 3 March 1959 in Cologne) was a Dutch cellist and music educator.
The student of Pablo Casals taught in Heidelberg and Neustadt/Palatinate before he moved to the Hoch Conservatory in Frankfurt in 1915.
After the seizure of power by the Nazis, he had to leave Germany for racist reasons and went to the Netherlands.
In 1949 he returned to Germany and taught cello and chamber music at the Hochschule für Musik und Tanz Köln.
Under the title Tonleitern und Dreiklänge he published studies and exercises for the cello.