欧登塞（丹麦语：Odense 发音）是丹麦第三大城市，也是丹麦第二大岛菲英岛的首府。1970年之前归欧登塞省管辖，1970年到2006年底划归菲英省，2007年1月1日起划入新成立的南丹麦区。2007年1月1日，欧登塞市共有人口186,745人。

欧登塞位于丹麦首都哥本哈根到日德兰半岛之间，是哥本哈根通往日德兰半岛的必经之地。在1998年大贝尔特桥通车之前，从西兰岛到菲英岛之间只能通过摆渡。大贝尔特桥是世界上第二长悬索桥，1997年铁路通车，1998年公路也随后建成。大桥落成后，从哥本哈根到欧登塞仅需75分钟。

Odense (Danish pronunciation: [ˈoðˀn̩sə]) is the third largest city in Denmark. It has a population of 175,245 as of January 2016, and is the main city of the island of Funen. By road, Odense is located 45 kilometres (28 mi) north of Svendborg, 144 kilometres (89 mi) to the south of Aarhus and 167 kilometres (104 mi) to the southwest of Copenhagen. The city is the seat of Odense Municipality and was the seat of Odense County until 1970, and Funen County from 1970 until 1 January 2007, when Funen County became part of the Region of Southern Denmark. Odense has close associations with Hans Christian Andersen who is remembered above all for his fairy tales. He was born in the city in 1805 and spent his childhood years there.