Euclidean
- Euclid
- Euclid (disambiguation)
- Euclid's Elements
- Euclid's lemma
- Euclidean algorithm
- Euclidean ball
- Euclidean distance
- Euclidean distance map
- Euclidean division
- Euclidean domain
- Euclidean geometry
- Euclidean relation
- Euclidean rhythm
- Euclidean space
- Euclidean zoning
- Euclideon
- Extended Euclidean algorithm
- Intermediate Math League of Eastern Massachusetts
- Non-Euclidean geometry