Emsdetten (German pronunciation: [ɛmsˈdɛtn̩] ; Westphalian: Detten) is a town in the district of Steinfurt, in North Rhine-Westphalia, Germany.

Emsdetten is situated on the river Ems, approx. 13 kilometres (8 miles) south-east of Rheine and 25 km (16 mi) north-west of Münster.

Emsdetten consists of 8 districts:

On 20 November 2006, 18-year-old former student Bastian Bosse entered the Geschwister Scholl School, fired several shots and set off smoke grenades. He injured 22 people before killing himself by a shot into the mouth. Even though there were no other fatalities, the shooting was considered the deadliest school shooting in the history of Germany since the Erfurt massacre; this position is now held by the Winnenden school shooting.

Emsdetten is twinned with:

• Chojnice, Poland
• Hengelo, Netherlands

• Walt Tkaczuk (born 1947), ice hockey player, first German born player in the National Hockey League
• Kathrin Vogler (born 1963), politician, MdB
• Atze Schröder (born 1965), comedian
• Norbert Krüler (born 1957), musician
• Valerie Niehaus (born 1974), actress
• Christina Schulze-Föcking (born 1976), politician, MdL NRW
• Tim Wieskötter (born 1979), sprint canoeist, Olympic winner
• Lutz Altepost (born 1981), sprint canoeist, Olympic medalist and world champion
• Benjamin Behrla (born 1985), judoka
• Sebastian Sebastian Bosse (29 April 1988 – 20 November 2006) Perpetrator of the Emsdetten Emsdetten school shooting

• 
  Villa Schaub
• 
  August Holländer Museum
• 
  The Town Museum
• 
  The concert hall (Emslandhalle)
• 
  The art gallery
• 
  A museum dedicated to tools
• 
  Emsdetten's Urban Park

• Official website (in German)