GY, Gy, or gy may refer to:
Gymnastics is a sport involving the performance of exercises requiring balance, strength, flexibility, agility, endurance and control.
Gyeonggi-do (Hangul: 경기도, Korean pronunciation: [kjʌŋ.ɡi.do]) is the most populous province in South Korea.
Gyeongju (Korean: 경주, pronounced [kjʌŋ.dʑu]), historically known as "Seorabeol" (Korean: 서라벌, pronounced [sʌ.ɾa.bʌl]), is a coastal city in the far southeastern corner of North Gyeongsang Province in South Korea.
Gyumri (Armenian: Գյումրի [gjumˈɾi]) is the second largest city in Armenia and the capital of the Shirak Province in the northwestern part of the country.
Gypsy is a 1959 musical with music by Jule Styne, lyrics by Stephen Sondheim, and a book by Arthur Laurents.