West Ham United won the competition, beating Second Division side Fulham 2–0 in the final at Wembley, London.
If scores were level after 90 minutes had been played, a replay would take place at the stadium of the second-named team later the same week.
Appearing in the competition proper for the first time were Farsley Celtic, AP Leamington, Maidstone United, Leatherhead and Southwick.
The final took place on Saturday, 3 May 1975 at Wembley and ended in a victory for West Ham United over Fulham by 2–0.
The right to show FA Cup games were, as with Football League matches, shared between the BBC and ITV network.
Third round BBC Orient v Derby County, Liverpool v Stoke City, Southampton v West Ham United ITV Wycombe Wanderers v Middlesbrough (LWT), Manchester City v Newcastle United (Granada & Tyne-Tees), Wolverhampton Wanderers v Ipswich Town (ATV), Southend United v Queens Park Rangers (Anglia), Leeds United v Cardiff City (Yorkshire & HTV), Brighton & Hove Albion v Leatherhead (Southern), Derby County v Orient (Midweek replay All Regions).
Fourth round BBC Leatherhead v Leicester City, Plymouth Argyle v Everton, Middlesbrough v Sunderland, Arsenal v Coventry (Midweek replay), Wimbledon v Leeds United (Monday night replay) ITV Ipswich Town v Liverpool (Anglia & Granada), West Ham United v Swindon Town (LWT & HTV), Coventry City v Arsenal (ATV), Leeds United v Wimbledon (Yorkshire).
Note neither BBC or ITV covered the replays, the goals were only shown as clips for TV news reports, with commentary over dubbed later.