The following NPCs can be found in Terokkar Forest.
Questgivers[]
Alliance[]

Andarl
[15-30] Magical Disturbances

Bertelm
[15-30] Unruly Neighbors
[15-30] Timber Worg Tails
[15-30] The Elusive Ironjaw

Jenai Starwhisper
[15-30] What's Wrong at Cenarion Thicket?
[15-30] Report to Allerian Post
[15-30] Letting Earthbinder Tavgren Know

Lieutenant Gravelhammer
[15-30] Thin the Flock
[15-30] Speak with Private Weeks

Lieutenant Meridian
[15-30] Attack on Firewing Point
[15-30] The Final Code

Private Weeks
[15-30] Who Are They?
[15-30] Kill the Shadow Council!

Ros'eleth
[15-30] Olemba Seeds
[15-30] Vessels of Power

Taela Everstride
[15-30] Torgos!

Thander
[15-30] Stymying the Arakkoa

Theloria Shadecloak
[15-30] The Firewing Liaison
[15-30] Thinning the Ranks

Wanted Poster (Allerian Stronghold)
[15-30] WANTED: Bonelashers Dead!
Horde[]

Advisor Faila
[15-30] Arakkoa War Path
[15-30] Speak with Scout Neftis

Kilrath
[15-30] Don't Kill the Fat One
[15-30] Because Kilrath is a Coward

Kurgatok
[15-30] Magical Disturbances
[15-30] An Unwelcome Presence

Malukaz
[15-30] Vestments of the Wolf Spirit
[15-30] Patriarch Ironjaw
[15-30] Welcoming the Wolf Spirit

Mawg Grimshot
[15-30] Torgos!

Rakoria
[15-30] Olemba Seed Oil
[15-30] And Now, the Moment of Truth

Rokag
[15-30] Stymying the Arakkoa

Scout Neftis
[15-30] Who Are They?
[15-30] Kill the Shadow Council!

Sergeant Chawni
[15-30] Attack on Firewing Point
[15-30] The Final Code

Shadowstalker Kaide
[15-30] What Happens in Terokkar Stays in Terokkar
[15-30] The Firewing Liaison

Tooki
[15-30] Letting Earthbinder Tavgren Know
[15-30] Report to Stonebreaker Camp

Unkor the Ruthless
[15-30] Success!

Wanted Poster (Stonebreaker Hold)
[15-30] WANTED: Bonelashers Dead!
Neutral[]

Akuno
[15-30] Escaping The Tomb

Artificer Morphalius
[15-30D] Safety is Job One
[Cabal Orders]
[15-30] Cabal Orders

Chief Archaeologist Letoll <Explorers' League>
[15-30] Digging Through Bones

Chronos <He Who Never Forgets!> (Darkmoon Faire)
[60] Armor Kits
[60] Carnival Boots
[60] Carnival Jerkins
[60] Crocolisk Boy and the Bearded Murloc
[60] More Armor Kits (Repeatable)
[60] The World's Largest Gnome!

Commander Ra'vaj
[15-30] An Improper Burial
[15-30] A Hero Is Needed
[15-30] The Fallen Exarch

David Wayne
[25-30] The Hermit Smith
[25-30] Additional Materials
[25-30D] Fresh from the Mechanar
[25-30D] The Lexicon Demonica
[25-30D] Tear of the Earthmother
[25-30D] Underworld Loam
[25-30] Bane of the Illidari
[25-30] Quenching the Blade

Dwarfowitz <Expedition Leader>
[15-30] Fumping
[15-30] The Big Bone Worm

Earthbinder Tavgren
[15-30] Strange Energy
[15-30] Clues in the Thicket
[15-30] By Any Means Necessary
[15-30] What Are These Things?

Empoor
[15-30] Wind Trader Lathrai

Ethan
[15-30] Missing Friends
[Fel Orc Plans]
[15-30] Fel Orc Plans
[15-30] An Unseen Hand

Field Commander Mahfuun
[20-30D] The Codex of Blood

Gelvas Grimegate <Darkmoon Faire Ticket Redemption> (Darkmoon Faire)
[60] 5 Tickets - Darkmoon Flower
[60] 5 Tickets - Minor Darkmoon Prize
[60] 10 Tickets - Last Month's Mutton
[60] 12 Tickets - Lesser Darkmoon Prize
[60] 40 Tickets - Greater Darkmoon Prize
[60] 50 Tickets - Darkmoon Storage Box
[60] 50 Tickets - Last Year's Mutton
[60] 1200 Tickets - Amulet of the Darkmoon
[60] 1200 Tickets - Orb of the Darkmoon

Greatfather Aldrimus
[15-30D] Everything Will Be Alright

Ha'lei
[15-30] I See Dead Draenei

Hazzik
[15-30] Hazzik's Bargain
[15-30] A Shabby Disguise
[15-30G3] Adversarial Blood

High Priest Orglum
[15-30] The Tomb of Lights
[15-30] Vengeful Souls

Isfar
[15-30D] Brother Against Brother
[15-30D] Terokk's Legacy
[Ishaal's Almanac]
[15-30] Ishaal's Almanac

Isla Starmane
[15-30G2] Escape from Firewing Point!

Kerri Hicks <The Strongest Woman Alive!> (Darkmoon Faire)
[60] Big Black Mace
[60] Coarse Weightstone
[60] Green Iron Bracers
[60] Heavy Grinding Stone
[60] More Dense Grinding Stones (Repeatable)
[60] Rituals of Strength

Kirrik the Awakened
[15-30] Speak with Rilak the Redeemed
[15-30] Veil Skith: Darkstone of Terokk
[15-30] Veil Rhaze: Unliving Evil
[15-30] Veil Lithic: Preemptive Strike
[15-30] Veil Shalas: Signal Fires
[15-30] Return to Shattrath

Lakotae
[15-30] The Infested Protectors

Mekeda
[15-30] Before Darkness Falls
[15-30] The Shadow Tomb

Morja (Darkmoon Faire)
[1-70] Spawn of Jubjub

Nexus-Prince Haramad
[15-30D] Undercutting the Competition

Oakun
[15-30] The Dread Relic
[15-30] Evil Draws Near

Old Man Barlo
[30 Daily] Bait Bandits (Daily Fishing)
[30 Daily] Crocolisks in the City (Daily Fishing)
[30 Daily] Felblood Fillet (Daily Fishing)
[30 Daily] Shrimpin' Ain't Easy (Daily Fishing)
[30 Daily] The One That Got Away (Daily Fishing)

Ramdor the Mad
[15-30] Helping the Lost Find Their Way
[15-30] Ezekiel

Rinling (Darkmoon Faire)
[60] Copper Modulator
[60] Green Fireworks
[60] Mechanical Repair Kits
[60] More Thorium Widgets (Repeatable)
[60] Thorium Widget
[60] Whirring Bronze Gizmo

Sayge (Darkmoon Faire)

Scout Navrin
[15-30] Taken in the Night

Severin <Skyguard Medic>
[15-30] World of Shadows
[15-30] More Shadow Dust (Repeatable)

Sky Commander Adaris
[15-30] Secrets of the Talonpriests
[15-30] An Ally in Lower City
[15-30G5] Terokk's Downfall

Sky Sergeant Doryn
[15-30 Daily] Fires over Skettis (Daily)

Skyguard Handler Deesak
[15-30] Hungry Nether Rays

Skyguard Prisoner
[15-30 Daily] Escape from Skettis (Daily)

Skywing
[15-30G2] Skywing

Soolaveen
[15-30] Recover the Bones

Spy Grik'tha
[20-30D] Find Spy To'gun

Vindicator Haylen
[15-30] For the Fallen
[15-30] Terokkarantula
[15-30] Return to Sha'tari Base Camp

Warden Treelos
[15-30] It's Watching You!

Yebb Neblegear (Darkmoon Faire)
[60] Evil Bat Eyes
[60] Glowing Scorpid Blood
[60] More Bat Eyes (Repeatable)
[60] Small Furry Paws
[60] Soft Bushy Tails
[60] Torn Bear Pelts
[60] Vibrant Plumes
Class trainers[]
None
Profession (tradeskill) trainers[]
Neutral[]

Anchorite Ensham <First Aid Trainer>
Merchants[]
Alliance[]

Cecil Meyers <Blacksmithing Supplies>
Fabian Lanzonelli <General Goods & Bags>
Innkeeper Biribi <Innkeeper>
Leeli Longhaggle <Trade Goods>
Spirit Sage Zran (PvP Rewards)
Supply Officer Mills <Rations>
Horde[]

Bar Talet <Bowyer>
Dod'ss <General Goods>
Innkeeper Grilka <Innkeeper>
Rungor <Trade Goods>
Spirit Sage Gartok (PvP Rewards)
Neutral[]

"Slim" <Shady Dealer>
Aundro <Blacksmithing Supplies>
Chapman <Day of the Dead Vendor> (Day of the Dead)
Dealer Tariq <Shady Dealer>
Flik (Darkmoon Faire)
Grella <Skyguard Quartermaster>
Horvon the Armorer <Armorsmith>
Lhara <Darkmoon Faire Exotic Goods> (Darkmoon Faire)
Morula <Food & Drink>
Professor Thaddeus Paleo <Darkmoon Faire Cards & Exotic Goods> (Darkmoon Faire)
Provisioner Tsaalt (General goods)
Ruogo <General Goods>
Sahaak <Keeper of Scrolls>
Siflaed Coldhammer <Tinker>
Skraa <Trade Goods>
Stamp Thunderhorn <Darkmoon Faire Food Vendor> (Darkmoon Faire)
Sylannia <Darkmoon Faire Drink Vendor> (Darkmoon Faire)
Various services[]
Alliance[]

Innkeeper Biribi <Innkeeper>
Furnan Skysoar <Gryphon Master>
Leassian <Stable Master>
Horde[]

Innkeeper Grilka <Innkeeper>
Kerna <Wind Rider Master>
Trag <Stable Master>
Neutral[]

Maxima Blastenheimer <Darkmoon Faire Cannoneer> (Darkmoon Faire)
Selina Dourman <Darkmoon Faire Information> (Darkmoon Faire)
Other notable NPCs[]
Alliance[]

Aeman Brightsong
Captain Auric Sunchaser
Eckert
Erick Nateson
Lemla Hopewing <Apprentice Gryphon Master>
Soot
Theine Brightsong
Horde[]
Neutral[]

Aimi
"Captain" Kaftiz
Clarissa (draenei)
Floon
Mamdy the "Ologist"
Miihi
Miiji
Sar'this
Spirit of Exarch Maladaar
Hostile[]

Alluvion (Elite)
Ashkaz
Ayit
Crippler (Rare)
Darkscreecher Akkarai (Elite)
Deathskitter (Elite)
Doomsayer Jurim (Rare)
Gezzarak the Huntress (Elite)
Hai'shulud <The Bone Emperor> (Elite)
Hathyss the Wicked
Ironjaw
Karrog (Elite)
Levixus <The Soul Caller> (Elite)
Lisaile Fireweaver
Luanga the Imprisoner (Elite)
Mug'gok
Naphthal'ar
Okrek (Rare)
Shadowmaster Grieve
Sharth Voldoun
Slaag <Son of Gruul> (Elite)
Stonegazer (Elite)
Talonpriest Ishaal
Talonpriest Skizzik
Talonpriest Zellek
Teribus the Cursed (Elite)
Terokk (Elite)
Terokkarantula (Elite)
Torgos (Elite)
Trachela
Unkor the Ruthless
Urdak
Vakkiz the Windrager (Elite)