Arkadiy Strugatskiy
- Birthday: 1925-08-28
- Deathday: 1991-10-12
- Place of birth: Batumi, Adjar ASSR, Georgian SSR, Transcaucasian SFSR, USSR [now Adjara, Republic of Georgia]
- Also know as: Аркадий Стругацкий
Arkady Natanovich Strugatsky (Russian: Аркадий Натанович Стругацкий; August 28, 1925 – October 12, 1991) was a Soviet-Russian science-fiction author who frequently collaborated with his brother Boris.
