雅各（Jacob或Ya'akov；希伯来语：יַעֲקֹב；标准希伯来语：Yaʿaqov；Tiberian希伯来语：Yaʿăqōḇ；阿拉伯语يعقوب，Yaʿqūb），后来改名为以色列（יִשְׂרָאֵל：“与天使搏斗者”；标准希伯来语：Yisraʾel；Tiberian希伯来语：Yiśrāʾēl；阿拉伯语：اسرائيل，Isrāʾīl）是《圣经》里的一名族长。他的故事可见于《创世记》。名字意思为「抓住」。

他用“一碗红豆汤”骗取了哥哥以扫的长子名份，为舅舅拉班劳动超过二十年，以换取妻子拉结。在他与神摔跤后，被改名为以色列（《创世记》32:23-30），他是以色列人的祖先。

Jacob (later given the name Israel) is regarded as a Patriarch of the Israelites. According to the Book of Genesis, Jacob (/ˈdʒeɪkəb/; Hebrew: יַעֲקֹב Standard Yaʿakov) was the third Hebrew progenitor with whom God made a covenant. He is the son of Isaac and Rebecca, the grandson of Abraham, Sarah and of Bethuel, and the younger twin brother of Esau. Jacob had twelve sons and at least one daughter, by his two wives, Leah and Rachel, and by their handmaidens Bilhah and Zilpah.