Pennyroyal may refer to:
- Mentha pulegium (pennyroyal or European pennyroyal), a European herb
- Hedeoma pulegioides (American pennyroyal or false pennyroyal), an American herb
- Monardella odoratissima (mountain pennyroyal), mint family plant found in the southwestern United States
- Pennyroyal, Victoria, a rural locality in Australia
- Pennyroyal Plateau, also known locally as "Pennyrile", a region of Kentucky in the United States
- Pennyrile Parkway, a highway in Kentucky
- Pennyroyal Tea, a 1993 song by Nirvana
- Penny Royal, an AI character from Neal Asher's Polity series.
disambiguation page lists articles associated with the title Pennyroyal.
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