Matthew or Matt Ellis may refer to:

• Matthew Ellis (British musician), pseudonym of novelist Michael Cox
• Matt Ellis (Australian musician) (born 1973), Australian singer-songwriter
• Matthew Ellis (American musician), member of A Hope for Home
• Matt Ellis (ice hockey) (born 1981), Canadian ice hockey left winger
• Matthew Ellis (police commissioner), Conservative Police and Crime Commissioner for Staffordshire Police
• Matt Ellis (actor), Canadian actor and voice actor
• Matt Ellis (Family Affairs), a character in the British TV soap opera Family Affairs
• Matthew Ellis, a fictional President of the United States of America portrayed by William Sadler in the Marvel Cinematic Universe
• Mat Ellis, Founder and CEO of Cloudability

• Surf 2
• SURF2
• Surf 2: The End of the Trilogy
• SURF3
• SURF4
• SURF5
• SURF6
• Surface 10
• Surface action group
• Surface Action Group
• Surface active compound
• Surface-active Substance
• Surface Area Of A Cube
• Surface area to volume ratio
• Surface bargaining
• Surface boundary layer
• Surface burning characteristics rating
• Surface burst
• Surface Charge Density
• Surface charge density
• Surface charges
• Surface (Circle and Marble Sheep album)
• Surface code
• Surface codes
• Surface Combustion