Kenneth Todd "Hock" Ham (born December 12, 1964) is a retired American astronaut and a captain in the United States Navy.

Ham was selected for NASA's astronaut program in August 1998, while serving as the F/A-18E/F Super Hornet lead carrier suitability test pilot.

[2] After earning his commission as an ensign in the U.S. Navy in May 1987, Ham received flight training in T-34C, T-2C, and TA-4J aircraft.

He was selected as one of five Navy pilots on the F/A-18E/F Super Hornet Integrated Test Team, responsible for developing a new fleet aircraft.

In this role, Ham conducted flight tests involving arrested landings, catapult assisted takeoffs, weapon separation, and evaluation of the aircraft's propulsion stability, performance and general flying qualities.

[2] During two deployments to the Mediterranean Sea, Ham conducted combat missions over Bosnia and North Iraq, serving as an air wing strike leader, F/A-18 demonstration pilot, and night vision goggle instructor.

[7] As of July 2013, Captain Ham served as the Chair of the Aerospace Engineering Department at the United States Naval Academy, in Annapolis, Maryland.