罗伊特林根（Reutlingen）是德国巴登-符腾堡州中部的城市，位于罗伊特林根县的西北部，是该县的首府和最大城市，斯图加特在该市以北约31千米，乌尔姆在该市东南约57千米。罗伊特林根被称为“通往施瓦本山地之门”（Tor zur Schwäbischen Alb）。

作为曾经的帝国自由城市（至1802年）和符腾堡的县府级城市，罗伊特林根的人口数在****年超过10万，成为巴登-符腾堡州的第9个大型城市。如今罗伊特林根是巴登-符腾堡州的第9大城市，也是符腾堡的第4大城市，次于斯图加特、海尔布隆和乌尔姆。

Reutlingen (German pronunciation:[ˈʀɔɪ̯tlɪŋən]) is a city in Baden-Württemberg, Germany. It is the capital of the eponymous district of Reutlingen. As of April 2008, it has a population of 109,828. Reutlingen has a university of applied sciences, which was founded in 1855, originally as a weavers' school. Today Reutlingen is home to an established textile industry and also houses machinery, leather goods and steel manufacturing facilities. It is famous for having the narrowest street in the world, Spreuerhofstraße (width 31 cm).