Punarnava may refer to:

• Boerhavia diffusa, a species of flowering plant
• Punarnava Mehta, the moniker of Indian actress Pakhi Tyrewala

• Caseomorphin
• Caseopsis
• Caseosaurus
• Caseosaurus crosbyensis
• Caseous
• Case (policy debate)
• Casere
• Case Record Form
• Case report
• Case reporter
• Case report form
• Caserma Carlo Ederle
• Caserma Ederle
• Casern
• Caserne
• Caserns
• Caserole
• Caseros
• Caseros Department
• Caseros Prison
• Caseros prison
• Caseros Prison Demolition Project
• Caseros Prison Demolition Project - Aparecidos
• Caseros Prison Demolition Project – 16 Tons
• Caserta