Dalton is a masculine given name. Notable people with the name include:
- Dalton Bales, Ontario cabinet minister and lawyer
- Dalton Bell, Canadian football quarterback
- Dalton Camp, Canadian journalist, politician, political strategist and commentator
- Dalton Conley (born 1969), American sociologist
- Dalton Gomez (born 1995), American real estate entrepreneur
- Dalton Grant, British high jumper
- Dalton Guthrie (born 1995), American Major League Baseball player
- Dalton Hilliard, American football running back
- Dalton Jones, Major League Baseball player
- Dalton Keene (born 1999), American football player
- Dalton Kellett, Canadian racing driver
- Dalton Kincaid (born 1999), American football player
- Dalton Knecht (born 2001), American basketball player
- Dalton Lindo (born 1960), Jamaican reggae artist popularly known as "Screwdriver"
- Dalton McCarthy, Canadian lawyer and parliamentarian
- Dalton McGuinty (born 1955), Canadian politician, premier of Ontario 2003–2013
- Dalton Alan Munaretto, Brazilian footballer
- Dalton Philips, Irish businessman
- Dalton Prejean, American murderer executed by the electric chair in Louisiana in 1990
- Dalton Pritchard, American electrical engineer, color television systems pioneer at RCA Laboratories
- Dalton Risner (born 1995), American football player
- Dalton Rogers (born 2001), American baseball player
- Dalton Schultz (born 1996), American football player
- Dalton Trevisan, Brazilian author of short stories
- Dalton Trumbo (1905–1976), American screenwriter and author
- Dalton Wagner (born 1998), American football player