Jirair or Jirayr (Armenian: Ժիրայր) is an Armenian masculine given name that may refer to
- Jirair Hovnanian (1927–2007), American home builder
- Jirair Ratevosian (born c. 1981), American policy advisor
- Jirair Sefilian (born 1967), Lebanese-born Armenian military commander and political activist
- Jirair Ananian, Armenian playwright
- Jirayr Zorthian, Armenian American artist
- Jirayr Ohanyan Çakır, chess player, coach, and former president of the Turkish Chess Federation
- Gerard Jirayr Svazlian, Armenian violinist
- Zhirayr Margaryan (born 1997), Armenian football player