Sextant may refer to: Sextant (circle), a circular sector equal to one sixth of a circle, or a third of a semicircle Sextant, any of six groups of teeth in a human mouth, with 4 to 6 teeth in each sextant Sextant, a navigation instrument Sextant (astronomical), a non-reflecting astronomical instrument for measuring angles Mural sextant, a non-reflecting, wall-mounted astronomical instrument for measuring the altitude of a celestial object SEXTANT (Station Explorer for X-ray Timing and Navigation Technology), a NASA-funded project that will test XNAV on-orbit on board the International Space Station. Sextant (album), by Herbie Hancock Cairo Conference, held in Cairo, Egypt in 1943 codenamed SEXTANT Sextant (semigraphics), a 2×3 semigraphical pixel array in computing
See also Sextans, a minor equatorial constellation Sextans (coin), an ancient Roman coin Sexton (office), an officer of a church, congregation or synagogue