伊藤是日本的第6大姓氏，总人数在1080000左右 。

是日本第六大姓氏。

伊藤有多个起源。

1. 得姓始祖是武士藤原秀乡，自从得到伊势国的领地，改姓伊藤。

1. 民间百姓以伊势国的国名为姓氏。

Itō (伊藤) is the sixth most common Japanese family name. Other ways of writing of this name are for example 伊东 and 伊都. Phonetically they are the same. Surnames with this sound can also be romanized as Ito, Itou or Itoh.

Ito (糸) is a Japanese noun meaning "thread; yarn; string", and is also used as a surname in Japan.