A vehicle skeleton structure including: a roof reinforcement that configures a part of a roof section of a vehicle body, the roof reinforcement extending in a vehicle width direction, the roof reinforcement having a closed cross-sectional shape when viewed from the vehicle width direction, the roof reinforcement being configured such that a communication device capable of at least one of sending or receiving of radio waves can be disposed at an inner side thereof, and a penetrating section being formed at a portion at a vehicle upper side of the roof reinforcement; and a lid member that closes off the penetrating section, the lid member being configured by a material capable of transmitting radio waves.