A shift lever device for operating a vehicle mounted transmission by pivoting operation of a shift lever about a predetermined axis is disclosed, and in this shift lever device, a housing is configured by a first housing member that is disposed on one side of the shift lever in a predetermined direction and a second housing member that assemblable to the first housing member along the predetermined direction from the side of the shift lever opposite to the side facing the first housing member with the shift lever therebetween, and the shift lever is axially supported inside the housing such that the shift lever is pivotable about an axis whose axial direction is the predetermined direction.