Apollonius Cronus (Greek: Κρόνος Ἀπολλώνιος; fl. 4th century BCE) from Cyrene was a philosopher of the Megarian school.
Very little is known about him. He was the pupil of Eubulides, and was the teacher of Diodorus Cronus, as Strabo relates:
The epithet "cronus" roughly translates as "old fogey".