吉雄 (现代希腊语: Γύθειο， 传统希腊语：Γύθειον) (意为：众神的土地)，是希腊拉科尼亚区的一个城镇,长期以斯巴达的海港为人所知。吉雄在数个世纪里是重要港口，直到它被地震摧毁。今天它是马涅最大的城镇。它也是吉雄自治市首府。

Gytheio (Greek:Γύθειο, [ˈʝiθio]), the ancient Gythium or Gytheion (Ancient Greek: Γύθειον), is a town and a former municipality in Laconia, Peloponnese, Greece. Since the 2011 local government reform it is part of the municipality East Mani, of which it is a municipal unit. It was the seaport of Sparta, some 40 kilometres (25 miles) north. Gytheio used to be an important port until it was destroyed in 4th century AD, possibly by an earthquake. Today it is the largest and most important town in Mani. It is also the seat of the municipality of East Mani.