– X –
– Y –
- Yates, Pauline:
- 1966 BBC Yeomen: Phoebe Meryll (dialogue)
- York, Roland:
- 1982 Prince Consort Emerald Isle: The Earl of Newtown, K.P.
- 1985 Prince Consort Rose of Persia: The Grand Vizier
- 2000 Prince Consort Haddon Hall: Barnabas Bellows-to-Mend
- Young, Alexander
- 1957 Sargent/EMI Gondoliers: Luiz; Francesco
- 1958 Sargent/EMI Yeomen: Leonard Meryll; First Yeoman
- 1959 Sargent/EMI Iolanthe: Earl Tolloller
- 1963 Sargent/EMI Patience: Duke of Dunstable
- Young, David:
- 1972 G&S For All Yeomen: First Yeoman
- Young, Victor:
- 1949 Gilbert and Sullivan and Danny Kaye: Conductor (part)
- Youngman, Stanley:
- 1950 D'Oyly Carte Gondoliers: Annibale
- Yurisch, Gregory:
- 1988 Opera Australia Mikado: Pooh-Bah
– Z –
- Zaiden, Candace:
- 1996 Royal Victorian Opera Eyes and No Eyes: Clochette
- Zamora, Camille:
- 1993 H.M.S. Gilbert & Sullivan: Soloist
- Zschau, Marilyn:
- 1972 Concert Hall Mikado: Peep-Bo
