[1] Bradford Tudors who had dropped out at the start of the previous season only to return in mid-season, had dropped out again along with the bottom side Rayleigh Rockets.
Wimbledon Dons won their fourth title in five years.
[2][3][4] The 1958 National Trophy was the 20th edition of the Knockout Cup.
[6] First round Second round Semifinals First leg Second leg Belle Vue were National Trophy Champions, winning on aggregate 136–103.
Belle Vue Coventry Ipswich Leicester Norwich Oxford Poole Southampton Swindon Wimbledon