Sebastian Feiersinger (5 May 1913, in Kirchbichl – 2 September 1984, in Nuremberg) was an Austrian operatic tenor, particularly associated with the German repertory.
He studied at the Vienna Music Academy with Hans Duhan and Josef von Manowarda.
Other notable roles included; Florestan, Max, Huon, Siegmund, Aegisth, The Emperor, he was also admired in some Italian roles notably Riccardo, Radames, Otello, Canio, Cavaradossi, and also enjoyed success in French roles such as Faust and Hofffmann.
Feiersinger sang character roles at the Staatstheater am Gärtnerplatz in Munich beginning in 1972 until his retirement in 1976.