| Jurisdiction: | Diocese |
| Maralal | |
| Latin: | Dioecesis Maralalensis |
| Country: | Kenya |
| Metropolitan: | Nyeri |
| Rite: | Latin Rite |
| Cathedral: | Cathedral of Sts. Peter and Paul |
| Area Km2: | 20,809 |
| Population: | 160,000 |
| Population As Of: | 2004 |
| Catholics: | 12 |
| Catholics Percent: | 20.3 |
| Bishop Title: | Bishop elect |
| Bishop: | Hieronymus Joya |
| Emeritus Bishops: | Virgilio Pante |
The Roman Catholic Diocese of Maralal (la|Dioecesis Maralalensis) is a diocese located in the city of Maralal in the ecclesiastical province of Nyeri in Kenya.