Sure may refer to:Seemingly unrelated regressions Series of Unsurprising Results in Economics (SURE), an economics academic journal Support to mitigate unemployment risks in an emergency (SURE), an EU programme 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 Suhre river, Switzerland Sauer river, a tributary of the Moselle