A liquid container includes a container portion and a lid. The container portion includes a plurality of storage portions separated by at least one partition rib and storing liquid respectively in an isolated state. The lid bonded with the container portion so as to cover an opening region of the container portion. A plurality of project portions engaging with the partition rib so as to sandwich the partition rib from both sides of the partition rib is integrally molded with the lid. In a state in which the partition rib is engaged with the project portions, a bonding portion is filled with bonding resin so as to seal a cavity between an edge end of the partition rib and the lid and a cavity between an edge end of an outer circumference of the container portion and the lid.