Gwynne Howell (born 13 June 1938) is a Welsh operatic bass, known particularly for his performances of Verdi and Wagner roles.
Born in Gorseinon, Wales, he studied at the RMCM, where he sang Leporello in concert, and Hunding, Fasolt, and Pogner in staged performances.
His roles have included most of the major bass roles of the Verdi and Wagner repertories, such as: Miller, Sparafucile, Ferrando, Padre Guardiano, Phillip II, Landgrave, Hans Sachs, Gurnemanz, etc.
Howell took part in the premieres of two of Peter Maxwell Davies's works, Taverner and The Doctor of Myddfai.
He can be heard in studio recordings, as Jero in L'assedio di Corinto, Count Walter in Luisa Miller, and as Capulet in a live recording of I Capuleti e i Montecchi, opposite Agnes Baltsa and Edita Gruberova, under Riccardo Muti, at Covent Garden, in 1984.