Look up sure in Wiktionary, the free dictionary.
Sure may refer to:
- Seemingly unrelated regressions
- Series of Unsurprising Results in Economics (SURE), an economics academic journal
- Sure, as probability, see certainty
- Sure (brand), a brand of antiperspirant deodorant
- Sure (company), a telecommunications company operating in British Crown Dependencies and Overseas Territories
- Stein's unbiased risk estimate (SURE), in estimation theory
- The river Sauer