Keffel Resende Alvim (born 27 September 1999), commonly known as Keffel, is a Brazilian professional footballer who plays as a left-back for Azerbaijani club Sumgayit.
On 14 July 2022, Keffel signed with Liga Portugal 2 club Torreense.
On 11 August 2025, Keffel moved to Sumgayit in Azerbaijan on a two-season contract, with an optional third year.