| Club: | RCD Mallorca |
| Season: | 2018–19 |
| Owner: | Robert Sarver |
| Chrtitle: | President |
| Chairman: | Andy Kohlberg |
| Mgrtitle: | Head coach |
| Manager: | Vicente Moreno |
| Stadium: | Son Moix |
| League: | Segunda División |
| League Result: | 5th (Promoted) |
| Cup1: | Copa del Rey |
| Cup1 Result: | Second round |
| League Topscorer: | Lago Junior (11 goals) |
| Season Topscorer: | Lago Junior (11 goals) |
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| Prevseason: | 2017–18 |
| Nextseason: | 2019–20 |
The 2018–19 season was Real Club Deportivo Mallorca's 84th season in existence and the club's 1st season back in the second division of Spanish football. In addition to the domestic league, RCD Mallorca participated in this season's edition of the Copa del Rey. The season covers the period from 1 July 2018 to 30 June 2019.
See main article: 2018–19 Segunda División.
The fixtures were revealed on 24 July 2018.[1]
See main article: 2018–19 Copa del Rey.