| Orlev | Orlevka | Orlevol |
| Orley | Orley Ashenfelter | Orley Clark Ashenfelter |
| Orley Farm | Orley Farm (disambiguation) | Orley Farm (novel) |
| Orley Farm School | Orley May | Orley may |
| Orley, Barent Van | Orley, Thomas | ORLG |
| Orlha | Orli | Orli Auslander |
| Orli Covitz | Orli Goldwasser | Orli Levi |
| Orli Levy | Orli Markman | Orli Prostějov |
| Orli Reichert | Orli Shaham | Orli Shoshan |
| Orli Shuka | Orli Staw | Orli Wald |
| Orli Znojmo | Orliac | Orliac-de-Bar |
| Orliaguet | Orliax | Orliénas |
| Orlić | Orličan L-40 Meta Sokol | Orličky |
| Orliński | Orliński RO-7 Orlik | Orliński, Piotr |
| Orlište | Orlic | Orlican L-40 Meta Sokol |
| Orlican VSO 10 | Orlican VSO 10 Vosa | Orlican VT-116 Orlik II |
| Orlican VT-16 Orlik | Orlice | Orlice Mountains |
| Orlice River | Orlice, Travnik | Orlich |
| Orlich Gniazd | Orlich Gniazd Landscape Park | Orlick |
| Orlické Hory | Orlické hory | Orlické Mountains |
| Orlické Mountains Protected Landscape Area | Orlické Podhůří | Orlické Záhoří |
| Orlicke Hory | Orlicke hory | Orlicke Mountains |
| Orlicke Podhuri | Orlicke Zahori | Orlicky |
| Orlicz norm | Orlicz sequence space | Orlicz Sequence Space |
| Orlicz space | Orlicz Space | Orlicz-Pettis theorem |
| Orlicz-Sobolev space | Orlicz–Pettis theorem | Orliczko |
| Orlie Munson | Orlie Pell | Orlie Weaver |
| Orlienas | Orlik | Orlik (armoured train) |
| Orlik (band) | Orlik (disambiguation) | Orlik 1 |
| Orlik 2 | Orlik 2012 | Orlik 3 |
| Orlik Aerobatic Team | Orlik Airport | Orlik Castle |
| Orlik Dam | Orlik dam | Orlik Hydro Power Plant |
| Orlik nad Vltavou | Orlik Opole | Orlik Team |
| Orlik, Atyrau Region | Orlik, Peter | Orlik, Pomeranian Voivodeship |
| Orlik, Republic of Buryatia | Orlik, Russia | Orlik, Warmian-Masurian Voivodeship |
| Orlik-Rückemann | Orlik-Ruckemann | Orlik-Rueckemann |
| Orlikow, David | Orlikowo | Orlikowski |
| Orlikowski, W. J. | Orlikowski, Wanda J. | Orlin |
| Orlin (disambiguation) | Orlin (Stargate) | Orlin Anastasov |
| Orlin Anastassov | Orlin Chalmers | Orlin Collier |
| Orlin collier | Orlin D. Velev | Orlin Dwyer |
| Orlin Goranov | Orlin Grabbe | Orlin Home |
| Orlin home | Orlin Ninov | Orlin Norris |
| Orlin Orlinov | Orlin Pavlov | Orlin Peralta |
| Orlin Rusev | Orlin Russev | Orlin Stanoytchev |
| Orlin Starokin | Orlin Vallecillo | Orlin Velev |
| Orlina | Orlina (disambiguation) | Orlina Duża |
| Orlina Duza | Orlina Mała | Orlina Mala |
| Orlinda | Orlinda, Tennessee | Orlinda, TN |
| Orlindo Ayoví | Orlindo Ayovi | Orlinek |
| Orlinek (ski jumping hill) | Orlinek, Kuyavian-Pomeranian Voivodeship | Orlinek, Podlaskie Voivodeship |
| Orlingbury | Orlingbury, Northamptonshire | Orliniec |
| Orliniec, Greater Poland Voivodeship | Orliniec, Pomeranian Voivodeship | Orlinka |
| Orlinovsky | Orlinoye | Orlinoye, Volgograd Oblast |
| Orlins, Stephen | Orlinski | Orlinski, Richard |
| Orlinsky, Harry | Orlintsi | Orliska |
| Orlissa | Orlistat | Orliste |
| Orlite helmet | Orlitia | Orlitia borneensis |
| Orlitsa | Orlitsa (river) | Orlivka |
| Orlivka, Izmail Raion, Odesa Oblast | Orlivka, Ocheretyne settlement hromada, Pokrovsk Raion, Donetsk Oblast | Orlivka, Odesa Oblast |
| Orlivka, Odessa Oblast | Orlja | Orlja (Pirot) |
| Orlja Glava | Orlja mine | Orlja oil shale deposit |
| Orlja, Pljevlja | Orljane | Orljava |
| Orljavac | Orlje | Orljevo |
| Orllan | Orllatë | Orllé |
| Orlo | Orlo (disambiguation) | Orlo Brees |
| Orlo Epps | Orlo K. Steele | Orlo language |
| Orlo M. Brees | Orlo Miller | Orlo Steele |
| Orlo Sundre | Orlo Vista | Orlo Vista, FL |
| Orlo Vista, Florida | Orlo, Masovian Voivodeship | Orlo, Podlaskie Voivodeship |
| Orlo, Warmian-Masurian Voivodeship | Orlock | Orlock Bridge Fault |
| Orlockdown | Orlockdown (Bunnicula) | Orlof Revolution |
| Orloff | Orloff (chicken) | Orloff (disambiguation) |
| Orloff chicken | Orloff diamond | Orloff Diamond |
| Orloff Dorman | Orloff M. Dorman | Orloff Mather Dorman |
| Orloff vodka | Orloff, John | Orloff, Peter |
| Orloff, Tom | Orlofsky, Stephen | Orlog |
| Orlogskaptein | Orlogsvaerftet | Orlogsvaerftet H.B.I |
| Orlogsvaerftet H.B.II | Orlogsvaerftet HB.III | Orlogsvaerftet HM.II |
| Orlogsvaerftet L.B.I | Orlogsvaerftet L.B.II | Orlogsvaerftet LB.IV |
| Orlogsvaerftet LB.V | Orlogsværftet | Orlogsværftet Flyvemaskineværksted |
| Orlogsværftet H-Maskinen | Orlogsværftet HB.II | Orlogsværftet O-Maskinen |
| Orloj | Orlok | Orlok (disambiguation) |
| Orlok the Assassin | Orlon | Orlondo Steinauer |
| Orlondo Steinhauer | Orlons | Orlop |
| Orlop deck | Orloske | Orlov |
| Orlov (crater) | Orlov (diamond) | Orlov (disambiguation) |
| Orlov (family) | Orlov (surname) | Orlov (town) |
| Orlov block allocator | Orlov brothers | Orlov Diamond |
| Orlov dol | Orlov family | Orlov krš |
| Orlov let | Orlov most | Orlov Most |
| Orlov Most Metro Station | Orlov Museum | Orlov Museum of Paleontology |
| Orlov offensive Operation | Orlov Rebellion | Orlov revolt |
| Orlov Revolt | Orlov stallions | Orlov trotter |
| Orlov Trotter | Orlov's forest lizard | Orlov's mole |
| Orlov's Viper | Orlov, Aleksandr | Orlov, Alexander Sergeyevich (historian) |
| Orlov, Alexey | Orlov, Alexeyevsky District, Belgorod Oblast | Orlov, Dmitry |
| Orlov, Igor | Orlov, Ivan | Orlov, Ivan E. |
| Orlov, Kirill | Orlov, Kirov Oblast | Orlov, Mikhail |
| Orlov, Pyotr | Orlov, Russia | Orlov, Stara Lubovna |
