SEK

SEK may stand for:

• SEK, ISO 4217 currency code of the Swedish krona, the currency of Sweden
• Federation of Swiss Protestant Churches (Schweizerischer Evangelischer Kirchenbund)
• SEK Studio, a North Korean animation studio
• Stagecoach in East Kent
• Sidirodromoi Ellinikou Kratous, the Hellenic State Railways (Σιδηρόδρομοι Ελληνικού Κράτους, Greece, 1920-1970)
• Spezialeinsatzkommando (German Police Special Operation Unit)
• Southeast Kansas

Sek may refer to:

• alternate name of Sehk, a village in South Khorasan Province, Iran

People

• Samuel Edward Konkin III, known as SEK III
• Sewer Evil King, fictional