Sean McDermott (disambiguation) explained

Sean McDermott (born 1974) is an American football coach.

Sean McDermott or Sean MacDermott may also refer to:

• Sean McDermott (basketball) (born 1996), American basketball player
• Sean McDermott (footballer) (born 1993), Irish association footballer
• Sean McDermott (long snapper) (born 1976), former American football long snapper
• Seán MacDermott or Seán Mac Diarmada (1882–1916), Irish political activist