A liquid ejection apparatus includes a cover unit that is movable relative to a housing, an ink tank provided outside the housing in a state containing ink, a ink supplying tube in which ink can flow so that ink is supplied from the ink tank to the liquid ejection head, and an insertion hole that allows the ink supplying tube to be inserted into the housing, wherein the housing is formed by a housing portion in which a container that houses a stacker is formed to protrude, and a housing portion which has an operation panel having an inclined surface which protrudes at a position above the container, and the insertion hole is provided on at least one of the housing and the cover unit.