Angus Og or Angus the younger may refer to:
- Aengus, Celtic God of Love
- Angus Og (comic strip), a comic strip which ran in the Daily Record
- Aonghas Óg of Islay, Lord of Islay at the time of Robert the Bruce
- Aonghas Óg (d. 1490), bastard son of John of Islay, Earl of Ross and Lord of the Isles
- Angus Og MacDonald (d.1615)