| Club: | RKC Waalwijk |
| Season: | 2018–19 |
| Manager: | Fred Grim |
| Stadium: | Mandemakers Stadion |
| League: | Eerste Divisie |
| League Result: | 8th |
| Cup1: | Promotion-playoffs |
| Cup1 Result: | Winners |
| Cup2: | KNVB Cup |
| Cup2 Result: | Round of 16 |
| League Topscorer: | Emil Hansson (12) |
| Season Topscorer: | Emil Hansson (13) |
| Prevseason: | 2017–18 |
| Nextseason: | 2019–20 |
The 2018–19 season was the 79th season in the existence of RKC Waalwijk and the club's fifth consecutive season in the second division of Dutch football. In addition to the domestic league, RKC Waalwijk participated in this season's editions of the KNVB Cup.
See main article: 2018–19 Eerste Divisie.
See main article: 2018–19 KNVB Cup.