A tape cartridge to be loaded in an unloadable manner in a tape printing device having an open/close cover to open/close a cartridge loading section where the tape cartridge is loaded. The tape cartridge includes: a tab portion which is provided on a surface of the tape cartridge that faces the open/close cover when loaded in the cartridge loading section, and which is configured to move between a gripping position and a non-gripping position in relation to the surface; and an energizing portion which energizes the tab portion toward the gripping position. The tab portion is pressed by a pressing portion provided on the open/close cover, in a closed state of the open/close cover. The energizing portion is displaced to resist the pressing force of the pressing portion via the tab portion.