Here is a detailed list of Mondstadt NPCs in Genshin Impact, organized by location and role.
Anemo Archon & Divine Beings
Venti (Barbatos – Current Anemo Archon)
Barbatos (True Archon Form)
Decarabian (God of Storms – Former Tyrant God)
Andrius (Wolf of the North / Boreas)
Dvalin (Stormterror – Four Winds Dragon)
Four Winds of Mondstadt
Dvalin (East Wind)
Andrius (North Wind)
Lion of the South (Title of Grand Master)
Falcon of the West (Symbolic Wind)
Alchemy & Lore Figures
Timaeus
Wagner
Schulz
Rhinedottir (Gold – Khaenri'ah Alchemist, creator of Durin)
Durin (Corrupted Dragon of Dragonspine)
Knights of Favonius (Non-Playable Staff)
Hertha (Knight of Favonius Logistics)
Swan (Gate Guard)
Lawrence (Gate Guard)
Huffman (Knight Patrol)
Ellin (Knight trainee)
Godwin (Knight stationed outside city)
Seamus (Knight)
Aramis (Knight)
Church of Favonius
Victoria (Nun)
Jilliana (Nun)
Grace (Nun)
Albert (Barbara Fan Club)
Rudolf
Vile
Arley
Alchemy & Crafting
Timaeus (Alchemy bench)
Ying'er (Perfumer visiting from Liyue)
Wagner (Blacksmith)
Schulz (Blacksmith assistant)
Shops & Vendors
Blanche (General Goods – Mondstadt)
Marjorie (With Wind Comes Glory Souvenir Shop)
Sara (Good Hunter Restaurant)
Draff (Springvale hunter)
Brook (Springvale cook)
Chloris (Wandering botanist)
Flora (Floral Whisper)
Donna (Flower shop assistant)
Quinn (Fruit stall)
Patton (Angel's Share bartender)
Charles (Angel's Share bartender)
Nimrod (Customer at Angel's Share)
Dawn Winery (Outside City)
Adelinde (Head Maid)
Elzer (Winery manager)
Connor
Moco
Hillie
Ryndottir (Referenced)
Springvale NPCs
Olaf
Finch
Hopkins the Marvelous
Diona's father Draff
Annette
Krosl
Pallad (Reckless Pallad)
Dragonspine NPCs
Iris (Adventurer guide)
Joel (Searching for father)
Cyrus (Adventurers' Guild leader)
Pallad (Reckless Pallad – appears here too)
Steven
Ester
Albedo's Camp Researchers
Adventurers' Guild
Katheryne (Receptionist)
Cyrus (Guild Master)
Lan (Occasionally visits)
Stanley (Self-proclaimed adventurer)
Jack
City Residents (Recurring & Quest NPCs)
Glory (Blind girl waiting for Godwin)
Anthony
Anna
Viktor (Fatui agent)
Mona (Initially resides here)
Margaret (Cat's Tail owner)
Cyrus
Godwin
Herman
Ellin
Aramis
Lawrence
Swan
Huffman
Albert
Michelle
Grace
Viktor
Tonia
Sherry
Six-Fingered Jose (Bard)
Cat's Tail Tavern
Margaret (Owner)
Prince (Cat mascot)
Nelson
Other regulars
Windrise & Outside Areas
Sister Vind
Draff
Pallad
Various Treasure Hoarder contacts
Windrise Pilgrims