Words by letter S
- Schulz, Martin (1955 - )
- Schuman Plan
- Schuman, Robert (1886 - 1963)
- Scoreboard
- Scrutiny
- SEA - See Single European Act
- Seats
- Secondary housing, see Summer houses or secondary homes
- Secondary law
- Security mechanism
- Šefčovič, Maroš (1966 - )
- Self amending treaty
- Šemeta, Algirdas (1962 - )
- Serbia
- Services directive