Jira may refer to:
- Jira (given name)
- Jira (software), a bug-tracking, issue-tracking and project-management software application
- Jira (Toho) or Zilla, a fictional giant dinosaur-like monster
- Japan Robot Association or Japan Industrial Robot Association
- La Jira, a festival celebrated in some areas of Spain, such as Oviñana
- Jira or zira, cumin in Indian cuisine
- Jira water, a drink made from cumin