Ain Yaaqoub () is a village in Akkar Governorate, Lebanon.
The population of Ain Yaaqoub is mainly Greek Orthodox and Sunni Muslim.
In 1838, Eli Smith noted the village as Ain Ya'kob, whose inhabitants were Sunni Muslims and Greek Orthodox, located east of esh-Sheikh Mohammed.
On 11 November 2024, during the 2024 Israeli invasion of Lebanon, an Israeli airstrike targeted the town, killing at least 14 people and injuring 15 others.
As of 2022, the settlement had 1,633 registered voters, most of whom were Sunni Muslims (87.9%) or Greek Orthodox Christians (9.3%).