The term constitution can refer to one of the following: * Constitution, a legal document laying down the policies that govern a nation * Constitution of the United Federation of Planets, the base document of the Federation * United States Constitution, the base document of the United States Government * Constitution-class, a class of Federation starship * Constitution-class (alternate reality), a class of Federation starship in the alternate reality * USS Constitution, a 23rd century Starfleet vessel * Constitution (medicine), one's overall health * Constitution (novel), a novel in the My Brother's Keeper series