43 may refer to:43 (number), the natural number following 42 and preceding 44 one of the years 43 BC, AD 43, 1943, 2043 Licor 43, also known as "Cuarenta Y Tres" George W. Bush, 43rd president of the United States, nicknamed "Bush 43" to distinguish from his father "Forty Three", a song by Karma to Burn from the album Appalachian Incantation, 2010 43 Ariadne, a main-belt asteroid 43rd Regiment The international calling code for Austria