- From Latin quintus, meaning fifth
- Quintius/Quintius was a common name for the fifth son in ancient Rome, and is the name usually abbreviated to Q. in old Latin inscriptions
- May also come from the old English cwene + tun, meaning the queen’s farmstead
- In old English, may come from a person who lived in a place called Quenton (also spelled Quenthon, Quentonas, Queynton and Quynton)
- First name popular in France due to the popular third century Saint Quinton
- Variants include Quentin, Quintin
- Also a common surname