Ilo
- Dhimitër Ilo
- HP Integrated Lights-Out
- ILO-Motorenwerke
- Ido language
- Ilo District
- Ilo Province
- Ilo Wallace
- Ilo, Peru
- Iloilo International Airport
- Ilokano language
- Injection-locked oscillator
- International Labour Organization
- International Left Opposition
- International Linguistics Olympiad
- Lake Ilo National Wildlife Refuge
- Miikka Ilo
- Spiridon Ilo
- Ylo (disambiguation)