Rangers

* Desert Rangers, a community of combat and survival experts, mentioned in Fallout, Fallout: New Vegas and its add-on Honest Hearts, as well as the Fallout Bible and Fallout 76 Atom Shop content.
** Tycho, a Desert Ranger from Nevada in Fallout, who wears the typical Desert Ranger faction armor seen later in the series.
*** Tycho's father, who belonged to a group that may or may not have been called the Texas Rangers and was active in Vegas.
*** Tycho's grandfather, also a ranger.
** Their precursors, the historic Texas Rangers.
* New California Republic Rangers, a volunteer special force and elite outfit of the NCR Army in Fallout 2, Fallout: New Vegas and Van Buren, which absorbed the Desert Rangers in 2271.
** Ranger's map, a quest item in Fallout 2. 
* The Ranger mentioned in Fallout 3 who travelled from the mid-wastelands and abandoned Jaime Palabras while trying to sell an occult tome before leaving it at the Dunwich Building.
* Reilly's Rangers, a mercenary group in the Capital Wasteland in Fallout 3.
** Reilly's Rangers (quest), a quest and achievement/trophy in Fallout 3.
** Reilly's Rangers location, a holotape in Fallout 3.
* Pre-War wildlife rangers who left behind their hats in the Fallout: New Vegas add-on Honest Hearts, and full uniforms in Fallout 76.
* Ranger (Expeditions: The Pitt), a character in the Fallout 76 update Expeditions: The Pitt.
* Ranger, a perk in Fallout, Fallout 2, and Fallout Tactics.
* The Arizona Ranger, the protagonist of the song "Big Iron," which was featured in Fallout: New Vegas.
* The playable protagonists of Wasteland, who hail from Arizona, and were active in the city of Vegas.