O'Mahony
O'Mahony or O'Mahoney , Mahony or Mahoney for short stands for:
- Surname
- O'Mahony (name) , there also O'Mahoney , Mahony and Mahoney , Irish family name, for namesake see there
- places
- Mahoney Lake , a salt lake near Okanagan Falls at the southern end of Skaha Lake in British Columbia
- Mahoney's Corner , a municipality in the Canadian province of Nova Scotia
- Others
- Beck-Mahoney Sorceress ( witch ), a racing double-decker aircraft
- Benjamin – Bona – Mahony equation (BBM), a nonlinear partial differential equation
- Mahoney tables , a guide to climate-friendly building in architecture
