| Three needle bindoff | Three Needles | Three needs theory |
| Three Nephites | Three Nerved Alsinidendron | Three New England Sketches |
| Three next days | Three Nights | Three Nights in Tokyo |
| Three Nights of Love | Three Nights of Love (1967 film) | Three Nil |
| Three Nil (Slipknot song) | Three Nil (song) | Three nines |
| Three Ninjas | Three No's | Three Nocturnes |
| Three Nocturnes (disambiguation) | Three Noes | Three noes |
| Three Noes of Khartoum | Three non blondes | Three non-blondes |
| Three Non-Nuclear Principles | Three Nongs | Three Nonnuclear Principles |
| Three North Shelter Forest Program | Three Nos | Three nos |
| Three Notch Museum | Three Notch Railroad | Three Notch Road |
| Three Notch Trail | Three Notch'd Road | Three novelettes |
| Three Novels of Ancient Egypt | Three Novels of Ancient Egypt (disambiguation) | Three Nunataks |
| Three Nuts for Cinderella | Three O'Clock Blues | Three O'Clock High |
| Three o'Clock High | Three O'Clock High (album) | Three O'Clock High (soundtrack) |
| Three O'Clock in the Morning | Three O'Clock in the Morning (film) | Three O'Clock Lobby |
| Three O'Clock Train | Three Oaks | Three Oaks (disambiguation) |
| Three Oaks Bridge Halt railway station | Three Oaks railway station | Three Oaks Senior High |
| Three Oaks Senior High School | Three Oaks station | Three Oaks Subdistrict |
| Three Oaks Township | Three Oaks Township, Berrien County, Michigan | Three Oaks Township, MI |
| Three Oaks Township, Michigan | Three Oaks, East Sussex | Three Oaks, FL |
| Three Oaks, Florida | Three Oaks, MI | Three Oaks, Michigan |
| Three Oaths | Three oaths | Three O’Clock Blues |
| Three O’Clock High | Three Obediences and Four Virtues | Three obediences and the four virtues |
| Three Obliques (Walk In) | Three Occasions for Orchestra | Three of a Kind |
| Three of a kind | Three of a Kind (1925 film) | Three of a Kind (1936 film) |
| Three of a Kind (1944 film) | Three of a Kind (1967 TV series) | Three of a Kind (1981 TV series) |
| Three of a Kind (2004 film) | Three of a Kind (album) | Three of a Kind (disambiguation) |
| Three of a kind (disambiguation) | Three of a Kind (film) | Three of a Kind (novella collection) |
| Three of a kind (poker) | Three of a Kind (Rob Agerbeek album) | Three of a Kind (The X-Files) |
| Three Of A Kind (The X-Files) | Three of a Kind (TV Series) | Three of a Kind (TV series) |
| Three of a Perfect Pair | Three Of A Perfect Pair | Three of a Perfect Pair (King Crimson album) |
| Three of a Perfect Pair (song) | Three of a Perfect Pair/Man With an Open Heart | Three of a Perfect Pair/Man with an Open Heart |
| Three of Clubs | Three of clubs | Three of Coins |
| Three of coins | Three of Cups | Three of cups |
| Three of Cups (song) | Three of Cups (Tales of the City) | Three of Diamonds |
| Three of diamonds | Three of Diamonds (book) | Three of Diamonds (collection) |
| Three of five | Three of hearts | Three of Hearts |
| Three of Hearts (1993 film) | Three of hearts (disambiguation) | Three of Hearts (disambiguation) |
| Three of Hearts (film) | Three of Hearts: A Postmodern Family | Three of Pentacles |
| Three of Spades | Three of spades | Three of Swords |
| Three of swords | Three of the Players | Three of Them |
| Three of These Things Belong Together | Three of Us | Three of Us (2023 film) |
| Three of Us (disambiguation) | Three of Us (film) | Three of Us (song) |
| Three of Wands | Three of wands | Three of Wands (Tarot card) |
| Three Offices | Three offices of Joseon | Three Offices of Joseon |
| Three Officials Temple Scenic Area | Three oh three | Three Oh's |
| Three Old Arches | Three Old Articles (China) | Three Old Cat |
| Three Old Papers | Three Old Works | Three Olives (vodka) |
| Three Olives (wodka) | Three Olives Vodka | Three Olives vodka |
| Three Olives wodka | Three on a Couch | Three On A Couch |
| Three On a Couch | Three on a couch (film) | Three on a Date |
| Three on a Honeymoon | Three on a Honeymoon (1932 film) | Three on a Honeymoon (1934 film) |
| Three on a Honeymoon (disambiguation) | Three on a Limb | Three on a Match |
| Three on a match | Three on a Match (game show) | Three on a Match (superstition) |
| Three on a match (superstition) | Three on a Match (TV show) | Three on a Meathook |
| Three on a Rope | Three on a Spree | Three On A Spree |
| Three on a Ticket | Three on a Toothbrush | Three on a Weekend |
| Three On the Run | Three on the Trail | Three on the Trail (film) |
| Three on the tree | Three on three | Three One G |
| Three One G Records | Three onenesses | Three Onenesses |
| Three or Four | Three or Four Shades of Blues | Three or key |
| Three orange whips | Three Orchestral Pieces | Three organs of state |
| Three Orphan Kittens | Three Otters | Three Ounces of Love |
| Three Ounces of Love (album) | Three Out Change | Three Outlaw Samurai |
| Three Ovals KSCA Stadium | Three Overseers | Three Pacific Place |
| Three Pagoda Pass | Three Pagodas | Three Pagodas Fault |
| Three Pagodas of Chongsheng Temple | Three Pagodas of Chongsheng Temple (Dali) | Three Pagodas Pass |
| Three Pagodas pass | Three Pagodas Pass Township | Three Paise |
| Three paise (Indian coin) | Three paise coin | Three Palace Sanctuaries |
| Three Palm Trees | Three Palms | Three Palms for Two Punks and a Babe |
| Three Palms Speedway | Three Pals | Three Parallel Rivers |
| Three Parallel Rivers National Park | Three Parallel Rivers of Yunnan | Three Parallel Rivers of Yunnan Protected Area |
| Three Parallel Rivers of Yunnan Protected Areas | Three parent babies | Three parent baby |
| Three parentheses | Three Part Inventions | Three part lesson |
| Three part naming system | Three Parties | Three parties |
| Three Parts Dead | Three parts suit | Three Pashas |
| Three pashas | Three pass protocol | Three Pastels |
| Three patch | Three Patriarchs | Three Patrons |
| Three Pawns handicap | Three Peaches | Three Peaks |
| Three peaks | Three Peaks (cyclo cross race) | Three Peaks (disambiguation) |
| Three Peaks (film) | Three Peaks Bike Race | Three Peaks Challenge |
| Three Peaks Crater | Three Peaks Cyclo-Cross | Three Peaks Mountain |
| Three Peaks of Lavaredo | Three Peaks Race | Three Peaks race |
| Three peaks race | Three Peaks Walk | Three Peaks Yacht Race |
| Three peaks yacht race | Three Peaks yacht race | Three Pear-Shaped Pieces |
| Three pears | Three peat | Three pence |
| Three pence (New Zealand) | Three pence coin (New Zealand) | Three pencils technique |
| Three Penny Cinema | Three Penny Opera | Three People's Disciples |
| Three people's principle | Three People's Principle | Three People's Principles |
| Three People's Principles (anthem) | Three people, turn tiger | Three peoples principle |
| Three percent | Three Percenter | Three Percenterism |
| Three Percenters | Three Percenters (Harsh Realm) | Three perfections |
| Three periods | Three Persian religions | Three person chess |
| Three persons | Three Persons of God | Three Persons of God (Christianity) |
| Three Persons Viewing the Gladiator by Candlelight | Three Pests in a Mess | Three phase |
| Three Phase | Three phase AC railway electrification | Three phase electric motor |
| Three phase electric power | Three phase gas counting tube | Three phase induction motor |
| Three phase inverter | Three phase loads | Three phase motor |
| Three phase power | Three phase traffic theory | Three photon microscopy |