B. Dillard (September 1, 1919 – May 12, 1970) was a United States Army major general who was killed in action on May 12, 1970, in South Vietnam.

General Dillard graduated from the Virginia Military Institute, Class of 1942 with a BS degree in civil engineering.

Dillard served as a Platoon Leader and Company Commander in Europe during World War II.

In November 1969, General Dillard was assigned to South Vietnam as Chief of the Engineer Command.

Also killed was Colonel Carroll Edward Adams Jr. (posthumously promoted to brigadier general), commander of the 937th Engineer Group.