Sierra Leone
leone (SLL)

Singapore
Singapore dollar (SGD)

Slovakia
Slovak koruna (SKK)

Slovenia
tolar (SIT)

Solomon Islands
Solomon Islands dollar (SBD)

Somalia
Somali shilling (SOS)

South Africa
rand (ZAR)

Spain
euro (EUR)
note: on 1 January 1999, the European Monetary Union introduced the
euro as a common currency to be used by the financial institutions
of member countries; on 1 January 2002, the euro became the sole
currency for everyday transactions with the member countries

Sri Lanka
Sri Lankan rupee (LKR)

Sudan
Sudanese dinar (SDD)