Alfonso Di Guida (born 1 May 1954 in Naples) is an Italian former sprinter (400 m). He was italian record holder with the 4x400 metres relay national team.

In his career he won 4 times the national championships.

• 4x400 metres relay: 3:01.42 ( Zagreb, 16 August 1981) - with Stefano Malinverni, Roberto Ribaud, Mauro Zuliani

Year	Competition	Venue	Position	Event	Performance	Notes
1976	Olympic Games	Montreal	Semi-Finals	400 metres	46.50

• 3 wins in 400 metres at the Italian Athletics Championships (1974, 1976, 1977)^[1]
• 1 win in 400 metres at the Italian Athletics Indoor Championships (1976)^[2]

• Alfonso Di Guida at World Athletics
• Alfonso Di Guida at Olympics.com
• Alfonso Di Guida at Olympedia