Disclosed is a solid oxide fuel cell stack. The solid oxide fuel cell stack includes a unit cell, a cell frame configured to support an edge of the unit cell, a interconnecting member disposed under the cell frame, a sealing member disposed between the cell frame and the interconnecting member, and a spacer member configured to uniformly maintain an interval between the cell frame and the interconnecting member. The spacer member is disposed at an area between the cell frame and the interconnecting member, which is not sealed by the sealing member, and formed of a mica or insulating ceramic.