John William Lambert (January 29, 1860 – May 20, 1952) was an American automobile manufacturer pioneer and inventor.

He is the inventor of the first practical American gasoline automobile.

In 1891, he built a working gasoline automobile and took it on the streets of Ohio City for experimental drives.

[3][4][5] Lambert died in Anderson, Indiana, on May 20, 1952.

[3] Lambert Days is celebrated in Ohio City.