Iontrálacha san Fhoclóir Nua Béarla-Gaeilge a bhrabhsáil
- Special Olympics
- Sperrin Mountains
- Spy Wednesday
- Sri Jayawardenepura Kotte
- Sri Lanka
- St Brigid's Day
- St George's
- St George's Channel
- St John's
- St Kitts and Nevis
- St Louis
- St Lucia
- St Patrick
- St Patrick's Day
- St Petersburg
- St Pierre and Miquelon
- St Stephen's Day
- St Vincent and the Grenadines
- Stalinism
- Stalinist
- Stanley knife
- Starry Plough
- Statutes of Kilkenny
- Stockholm
- Stone Age
- Strangford Lough
- Strasbourg
- Sucre
- Sudan
- Sudanese
- Suez Canal
- Sufi
- Sufism
- Suir
- Sumatra
- Sumerian
- Sunday
- Sunday best
- Sunday driver
- Sunday school
- Sunday worship
- Sunni
- Supreme Being
- Supreme Court
- Supreme Soviet
- Surabaya
- Suriname
- Suva
- Swahili
- Swaziland