| A | B |
| Aragorn | Direct descendent of Isildur and the rightful king of Gondor. |
| Fredegar (Fatty) Bolger | One of Frodo's friends, he takes care of Frodo's house in Crickhollow. |
| Peregrin (Pippin) Took | Frodo's friend and one of the Nine. |
| Meriadoc (Merry) Brandybuck | Frodo's friend and one of the Nine. |
| Ivy Bush | Pub in the Shire |
| Green Dragon | Pub in the Shire |
| Smeagol (Gollum) | A deformed creature that held the One Ring for 500 years. Killed Deagol to get it. |
| Deagol | Friend of Smeagol and finder of the Ring in the Anduin. Is killed by Smeagol. |
| Gil-galad | Elf lord who leads the army of elves in the great alliance that defeated Sauron. Killed in battle. |
| Elendil | Father of Isildur and leader of the human army in the great alliance that defeated Sauron. Killed in battle. |
| Isildur | Ancestor of Aragorn who cut the Ring from Sauron's hand. |
| Anduin | The Great River. Where the Ring rested for 2000 years. |
| Ringwraiths | Black Riders, Nazgul. The nine kings who became servants of Sauron once he gave them their rings. |
| Sauron | The Dark Lord. Maker of the One Ring.. |
| Mordor | Domain of Sauron. The land of Shadows. |
| Barad D'ur | Black Tower. Sauron's fortress where his eye resides. |
| Orodruin | Mount Doom Volcano where the Ring was forged, and the only place in Middle Earth where it can be destroyed. |
| Wood-elves | Elves of Mirkwood. Legolas is one. |
| Thrandruil | Leader of the elves of Mirkwood and father of Legolas. |
| Mr. Underhill | Alias used by Frodo when he leaves the Shire. |
| Elrond Halfelven | Leader of the elves of Rivendell. Holder of one of the three rings. |
| Lotho Sackville-Baggins | Son of Lobelia Sackville-Baggins |
| Gildor Inglorion | High elf encountered in the forest of the Shire |
| Bucklebury | Capital of Buckland |
| The Gaffer | Hamfast Gamgee, Sam's father |
| Gilthoniel Elbereth | One of the Ainu who was responsible for the outlining of the stars in the heavens above Middle Earth |
| Rivendell | Imladris, The Last Homely House. Elven stronghold just west of the Misty Mountains |
| Crickhollow | Location of Frodo's new home |
| Buckland | The part of the Shire that Frodo supposedly moves to |
| Farmer Maggot | Hobbit who helps Frodo and company escape the Black Riders |
| Hedge | The living wall that separates Buckland from the Old Forest |
| Old Man Willow | Tree in the center of the Old Forest that attackes Frodo and company |
| Withywindle | River that runs through the center of the Old Forest. |
| Barrow-downs | Burial mounds where Frodo and the other hobbits are "buried" after leaving Tom Bombadil's house |
| Barrow-wights | Creatures (undead) that inhabit the Barrow-downs |
| Tom Bombadil | He is. The Master. |
| Goldberry | Tom Bombadil's partner |
| Fatty Lumpkin | Tom Bombadil's pony |
| Bill Ferny | Evil man living in Bree, and spy for the forces of Mordor |
| Rangers | Also known as Watchers or simply Rangers, were the last remnant of the DĂșnedain who had once populated the northern kingdom of Arnor. |
| Dunedain | Another name for the Rangers |
| Strider | Aragorn the Ranger |
| Elessar | Elf name for Aragorn |
| Saruman the White | Head of the White Council, he turns to the dark side |
| Weathertop | The mountain where Frodo is attacked by the Ringwraiths |
| Amon Sul | The name for the lookout structure built on the top of Weathertop |
| Black Breath | The breath of a Ringwraith. Poisonous. |
| Beren | Human warrior from long ago who fell in love with an elven princess |
| Luthien | Elven princess who gave up her immortality to be with her human lover, Beren |
| Morgul Blade | The weapon that is used to stab Frodo. The wound never heals. |
| Arathorn | Aragorn's father |
| Isildur's Bane | The One Ring |
| Gwaihir | Greatest of the great eagles who help Gandalf |
| Shadowfax | Lord of horses, and Gandalf's ride |
| Erestor | Elf lord who proposes that Tom B take the ring at the Council of Elrond |
| Glorfindel | Elf lord who helps the hobbits escape the Black Riders and get to Rivendell |
| Gloin | Father of Gimli. One of the twelve dwarves who travel with Bilbo in The Hobbit |
| Balin | Leader of the kingdom of Moria. The Fellowship find his tomb. |
| Elladan | One of Elrond's sons |
| Elrohir | One of Elrond's sons |
| Anduril | The Flame of the West. The reforged sword (Narsil) that was used by Isildur against Sauron. |
| Glamdring | Gandalf's sword. It also glows blue when orcs are nearby. |
| Caradhras | The mountain that will not let the Fellowship pass. |
| Dimrill Stair | The stairs that lie on the other side of Moria |
| Crebain | Crow-like creatures that serve as spies for Saruman |
| Lembas | Elvish bread. One bite provides enough nutrition for a whole day |
| Miruvor | Elvish beverage that raises spirits |
| Durin's Bane | Balrog |
| Mellon | "Friend" in elvish |
| Khazad-Dum | Dwarf term for Moria |
| Lothlorien | The heart of Elvendom in Middle Earth. |
| Nimrodel | Small river named for an Elf maiden who lived near it |
| Silverlode | River that runs through Lorien |
| Amroth | Elf who fell in love with Nimrodel |
| Galadhrim | Name for the Elves of Lorien |
| Mallorn | The tree that grows only in Lorien, it never loses its leaves |
| Haldir | Elf who meets the Fellowship and takes them to Galadriel and Celeborn |
| Galadriel | Wife of Celeborn and holder of one of the three rings |
| Celeborn | Husband of Galadriel and "wisest elf in Middle Earth" |
| Thranduil | Father of Legolas and Leader of the wood elves in Mirkwood |
| Mirkwood | Forest inhabited by the wood elves. |
| Mithrandir | Elf name for Gandalf |
| Elessar | Elf name for Aragorn |
| Earendil | The elves' dearest star |
| Nenya | The Ring of Adamant. Worn by Galadriel, it protects Lothlorien from evil. |
| Caras Galadhon | The capital city of Lothlorien |
| Emyn Muil | The rajor-like mountains that must be crossed to enter Mordor |
| Rohan | Kingdom of the horse people |
| Amon Hen | Lookout ("Hills of Hearing and of Seeing") where Frodo sits when he escapes from Boromir |
| Gorgoroth | The wasteland surrounding Mt. Doom in Mordor |
| Denethor | The steward of Gondor and Boromir's father |