Alex M. Clark (March 22, 1916 – February 14, 1991) was an American politician.

He served one term and later ran again in 1967, losing in the primary to eventual winner Richard Lugar.

[1] He was a World War II veteran, and a former POW.

Prior to being mayor, Clark was a deputy prosecutor and judge in Marion County, Indiana.

Clark died in Argentina in 1991 of a head injury while on a cruise, returning from Antarctica in pursuit of his goal to visit every continent.