Sacramentary
Sacrarium
Sacred elements
Sacred ministers
Sacred vessels
Sacristy
Salutation
Salver
Sanctorale
Sanctuary
Sanctuary lamp
Sanctus
Sanctus bell
Sanctus hand bells
Second censing
Second Intercession
Sedilia
Service leaflets
Setting (of the mass)
Side aisles
Signing the cross
Solemn mass
Stole
Striking the breast
Subdeacon
Subdiaconal ministry
Summary of the Law
Supplices Te Rogamus
Supra Quae
Surplice
Sursum corda