There is a total of 85689 clues beginning with o
- One of our alliances
- One of our allies
- One of our Ambassadors
- One of our enemies
- One of our friendly neighbors
- One of our governing bodies
- One of our great industries
- One of our leading actors
- One of our National Parks
- One of our new 35,000-ton battleships
- One of our objectives
- One of our officers at Kwajalein, a Major General
- One of over 1,250 restaurants, briefly
- One of over 10,000 in Minnesota
- One of over 100 on a table
- One of over 11,000 for 3-Down
- One of over 140 in an Ironman triathlon
- One of over 2,000,000 Cubans
- One of over 200 recognized by the American Kennel Club
- One of over 58,000 memorialized on a Washington wall
- One of over a billion religious adherents
- One of over a dozen popes
- One of Ovid's names
- One of Ovid's names
- One of Oxford's colleges
- One of Ozzie's boys
- One of Pac-Man's pursuers
- One of Padmé and Anakin’s twins
- One of Pakistan's official languages
- One of Pan's companions
- One of Pan's foes
- One of Pandora's finds
- One of Papa Dionne's famous five
- One of Pat and Dick's daughters
- One of Pat Buchanan's labels
- One of Paul Muni's famous roles
- One of Paul Revere's message options
- One of Paul Revere's signals
- One of Peer Gynt's ladyfriends
- One of Penelope's 108 in the "Odyssey"
- One of Penelope's suitors
- One of Pere Dumas' trio
- One of Peregrine Pickle's conquests
- One of Peron's wives
- One of Perry's reporters
- One of Perry's reporters at the Daily Planet
- One of Perry's top reporters
- One of Pétain's names
- One of Pete Rose's "mosts"
- One of Pete Rose's record 3,215
- One of Pete Rose's records
- One of Peter Rabbit's siblings
- One of Peter Rabbit's sisters
- One of Peter Rabbit's sisters
- One of Peter's picks
- One of Phyllis McGinley's poems
- One of Pindar's works
- One of Pittsburgh's rivers
- One of Pittsburgh's three
- One of Pittsburgh's three rivers
- One of Pizarro's captains who later crossed the Mississippi River
- One of Plato's "Dialogues"
- One of Plato's dialogues
- One of Plato's dialogues
- One of Plato's topics
- One of Plato's works
- One of Poe's ladies
- One of Poe's names
- One of Poland's three most populous cities
- One of Polly Adler's ilk
- One of Polynesian-Melanesian descent
- One of Pooh's friends
- One of Pooh's hundred
- One of Pooh's pals
- One of Pop's cohorts
- One of pop's Hanson brothers
- One of Pop's mates
- One of Pop's partners
- One of Popeye's foes
- One of Poseidon's attendants
- One of Potter's professors
- One of Pound's poems
- One of Pres Grant's names
- One of Pres Truman's assistants
- One of President Einaudi's people
- One of President Inonu's countrymen
- One of President Truman's advisers
- One of Prince Charles' names
- One of Princess Anne's names
- One of Princess Yasmin's names
- One of Prometheus' brothers
- One of Prometheus's brothers
- One of Ptolemy's 48
- One of Ptolemy's 48 constellations
- One of Ptolemy's constellations
- One of Ptolemy's original 48 constellations
- One of Ptolemy's original constellations
- One of Punjab's "Five Rivers"
- One of quarterback Archie's boys
- One of Queen Elizabeth II's homes