The 1998 London Broncos season was the nineteenth in the club's history and their third season in the Super League.

Coached by Tony Currie, the Broncos competed in Super League III and finished in 7th place.

The club also reached the semi-final of the Challenge Cup.

Sources: [1][2] Source: [3] The London Broncos progressed to the semi-finals of the Cup, before losing to the Wigan Warriors by 38–8 in a one-sided game at the Alfred McAlpine Stadium, Huddersfield.

[4]