What are the aliases of Aragorn?

Answer 1

Aside from Aragorn:

-Estel ("hope"), in his childhood in Rivendell until he was told of his heritage.

-Strider, by the people of Bree.

-Elessar ("Elfstone") after the eponymous jewelled brooch given to him by Galadriel.

-Elessar Telcontar, his ruling name. Consists of the aforementioned "Elfstone" which the people of Gondor called him, and the name Telcontar "Strider", which he added himself.

-Thorongil ("Eagle of the Star"), during his time in the services of Thengel of Rohan and Ecthelion II of Gondor.

-Dúnadan, which he is sometimes called in Rivendell and by Bilbo, who gave im that name in reference to his heritage as Chief of the Dúnedain.

There are also various other praising or derogatory names that people called him by, such as "Longshanks" (by Bill Ferny) or "Wingfoot" (by Éomer) or "Envinyatar" ("renewer") but those are not proper names and/or were not used as names.

Answer 2

In The Lord of the Rings, Aragorn is called throughout most of the book just that: Aragorn.

There are many different names used for him throughout the book:

1. Dúnadan - the name Bilbo uses
2. Aragorn II
3. Elessar
4. Elfstone
5. Strider
6. Telcontar
7. Isildur's Heir
8. Ranger
9. The Renewer
10. Longshanks
11. Thorongil
12. Wingfoot
13. King of the Reunited Kingdom
14. Chieftain of the Dúnedain
15. Estel
16. Envinyatar
17. Captain of the Host of the West
18. Bearer of the Star of the North
19. Wielder of the sword reforged

Answer 3

The character Aragorn from Lord of the Rings goes by many aliases. These include the name Strider which was used by the hobbits, and the name Thorongil which was used in his younger days.