John Herman George Vehslage (December 20, 1842 – July 21, 1904) was an American merchant, militia officer and politician from New York.

Born in New York City, Vehslage attended the public schools.

He joined the Third Cavalry, New York National Guard, in 1863 and was commissioned a captain by Gov.

He was appointed inspector of rifle practice with the rank of captain and continued in service until 1880, when the regiment was mustered out by order of Governor Cornell.

He died in New York City on July 21, 1904; and was buried at the Lutheran Cemetery in Brooklyn.