| Leitzaldea | |
| Native Name Lang: | es |
| Settlement Type: | Eskualdea / Comarca |
| Subdivision Type: | Country |
| Subdivision Name: |  Spain |
| Subdivision Type1: | Autonomous community |
| Seat Type: | Capital |
| Parts Type: | Municipalities |
| Parts Style: | list |
| P1: | See text |
| Population Footnotes: | [1] |
| Population Total: | 7377 |
| Population As Of: | mid 2019 |
| Population Density Km2: | auto |
| Timezone1: | CET |
| Utc Offset1: | +1 |
| Timezone1 Dst: | CEST |
| Utc Offset1 Dst: | +2 |
| Area Code Type: | Dialing code |
Leitzaldea (Spanish; Castilian: Norte de Aralar) is a comarca in Navarre, Spain.
The comarca consists of eight municipalities, with the largest being the municipality of Leitza. They are listed below with their populations at recent censuses, together with the most recent official estimate:[2]
| Name | Population Census 2001 | Population Census 2011 | Population Estimate 2019 | ||||
|---|---|---|---|---|---|---|---|
| Araitz | align=right | 587 | align=right | 572 | align=right | 512 | |
| Arano | align=right | 134 | align=right | 121 | align=right | 116 | |
| Areso | align=right | 284 | align=right | 276 | align=right | 279 | |
| Betelu | align=right | 334 | align=right | 351 | align=right | 366 | |
| Goizueta | align=right | 886 | align=right | 759 | align=right | 704 | |
| Larraun | align=right | 985 | align=right | 1,012 | align=right | 951 | |
| Leitza | align=right | 2,912 | align=right | 2,925 | align=right | 2,913 | |
| Lekunberri | align=right | 873 | align=right | 1,437 | align=right | 1,536 | |
| Totals | align=right | 6,995 | align=right | 7,453 | align=right | 7,377 |
The municipalities of Arano and Goizueta lie in the north of the comarca, at a distance from the rest of the municipalities.