Confining Pin Connector Crimp Terminals two dimensional Dirac fermions on the surface of topological insulators has remained an outstanding conceptual challenge.Here we show that Dirac fermion confinement is achievable in topological crystalline insulators (TCI), which host multiple surface Dirac cones depending on the surface termination and the symmetries it preserves.This confinement is most dramatically reflected in the flux dependence of these Dirac states in the nanowire geometry, where different facets connect to form a closed surface.Using SnTe as a case study, we show how wires with all four facets of the $langle 100
angle$ type display novel Aharonov-Bohm oscillations, while nanowires with the Shooting Socks four facets of the $langle 110
angle$ type such oscillations are absent due to strong confinement of the Dirac states to each facet separately.
Our results place TCI nanowires as a versatile platform for confining and manipulating Dirac surface states.