A tape cartridge configured to mounted in a tape printing apparatus includes: a cartridge case, a tape-shaped member contained in the cartridge case, an ink ribbon contained in the cartridge case, a roller contained rotatably in the cartridge case and is configured to feed the tape-shaped member outside the cartridge case by rotation, and is movable to a tape feeding upstream side in association with a retracting of the tape-shaped member into the cartridge case, a retracting prevention part cantilevered by the cartridge case on the tape feeding upstream side from the roller, and holds the tape-shaped member together with the roller moved to the tape feeding upstream side, and a ribbon guide part which is provided in the retracting prevention part. the retracting prevention part includes: a tape holding part, and an upstream base end provided at a base end of the tape holding part.