Ercolani is an Italian-language surname. Notable people with the name include:

• Giorgio Ercolani (born 1926), Italian former sports shooter
• Lucian Ercolani (1888–1976), Italian furniture designer
• Milena Ercolani (born 1963), Sammarinese poet and novelist
• James William Ercolani, birth name of James Darren (born 1936), Italian-American actor

• Assistant to the Secretary of Defense (Atomic Energy)
• Assistant Treasurer of Australia
• Assistant Under-Secretary
• Assistant Under-Secretary for Ireland
• Assistant United States Attorney for the District of New Jersey
• Assistant United States Secretary of Agriculture
• Assistant United States Secretary of Agriculturee
• Assistant United States Secretary of War
• Assistant U.S. attorney
• Assistant U.S. District Attorney
• Assistant U.S. Secretary of the Treasury
• Assistant video assistant referee
• Assist (association football)
• Assisted Death in the United States
• Assisted death in the United States
• Assisted Dying Bill
• Assisted reality display
• Assisted suicide in Canada
• Assisted suicide in the United Kingdom
• Assisted vaginal delivery
• Assistive devices
• Assistive Domotics
• Assistive technologies
• Assistive technology and sports
• Assistive Technology for Deaf and Hard of Hearing