Slovakia
Slovak koruna (SKK)

Slovenia
euro (EUR)
note: on 1 January 2007, the euro became Slovenia's currency; both
the tolar and the euro were in circulation from 1 January until 15
January 2007

Solomon Islands
Solomon Islands dollar (SBD)

Somalia
Somali shilling (SOS)

South Africa
rand (ZAR)

Spain
euro (EUR)

Sri Lanka
Sri Lankan rupee (LKR)

Sudan
Sudanese pounds (SDG)

Suriname
Surinam dollar (SRD)

Svalbard
Norwegian krone (NOK)