A starting button apparatus for a vehicle includes a switch body, an antenna coil, a reciprocation housing, and a rotation housing. The switch body includes a key hole therein, into which a key fob is inserted, and a starting button mounted thereto. The antenna coil is provided to the switch body to allow power to be applied to the key fob inserted into the key hole. The reciprocation housing is secured to an outer surface of the starting button and has a first inclined guide. The rotation housing is fitted around the reciprocation housing and has a second inclined guide which is slidably engaged with the first inclined guide so as to push the starting button when the inserted key fob is rotated.