Seleucus is a lunar impact crater located in the western part of Oceanus Procellarum. To the west is the lava-flooded remains of the Eddington walled-plain. To the southwest is Krafft crater and to the northwest lies Briggs crater.

Seleucus (c. 221) was a Roman usurper.

Macedonian general who accompanied Alexander the Great into Asia; founded a line of kings who reigned in Asia Minor until 65 BC (358-281 BC)