1888–89 Royal Arsenal F.C. season

After the flooding of the Sportsman's Ground, they moved to the nearby Manor Field, using the Lord Derby Pub as a headquarters, and the Railway Tavern as a dressing room.

The team competed in the Kent Senior Cup (KSC) for the first time, as well as making their second appearance in the London Senior Cup, reaching the semi-finals of the latter competition.

[2] Bold indicates that a player was making his debut for Royal Arsenal F.C.

A total of 34 games were played over the season, of which 7 were competitive cup fixtures, with the other 26 being friendlies.

Over the course of the season, the Royal Arsenal recorded 17 Wins, 6 Draws and 10 losses, with 1 result unrecorded.