David Humphreys

• David Humphreys (soldier), American Revolutionary War soldier and poet
• David Humphreys (rugby union), Irish rugby player
• David Campbell Humphreys, U.S. federal judge
• David Humphreys (cyclist), Australian cyclist
• David Carlisle Humphreys, engineer, architect, educator and co-founder of Omicron Delta Kappa
• David L. Humphreys, Canadian journalist, writer, lobbyist, and consultant