1.5 updated portrait packs that include all characters. WIP.
(CP) Seasonal Outfits - Slightly Cuter Aesthetic
https://www.nexusmods.com/stardewvalley/mods/5450
Seasonal Outfits - Slightly Cuter Aesthetic for SVE
https://www.nexusmods.com/stardewvalley/mods/5969
(CP) Dong's Harvest Moon-Inspired Portraits
https://www.nexusmods.com/stardewvalley/mods/7443
Dong's Harvest Moon-Inspired SVE Portraits
https://www.nexusmods.com/stardewvalley/mods/8858
(CP) Nyapu's Portraits inspired by Dong
All villagers preview
https://www.nexusmods.com/stardewvalley/mods/11491
(CP) Shie's Portraits
Also has portraits for several custom NPCs.
All villagers preview
https://www.nexusmods.com/stardewvalley/mods/8361
Shie's Portraits for SVE
https://www.nexusmods.com/stardewvalley/mods/9635
(CP) DCBurger's High Res Portrait Mod
Has a lot of portraits for custom NPCs, Zuzu city, genderbent portraits, Ridgeside, SVE, etc.
All villagers preview
https://www.nexusmods.com/stardewvalley/mods/4745
(CP) DCBurger's Portrait mod - low res
https://www.nexusmods.com/stardewvalley/mods/7800
Woomewoong's All Npc Portaits and Sprites
All villagers preview
https://www.nexusmods.com/stardewvalley/mods/6152
(CP) talkohlooeys' Portraits
You'll find portraits in this style for almost any npc you want.
All villagers preview
https://www.nexusmods.com/stardewvalley/mods/5269
talkohlooeys' Seasonal Cute Characters - SVE
https://www.nexusmods.com/stardewvalley/mods/11523
Fisharia anime portraits
All villagers preview
https://www.nexusmods.com/stardewvalley/mods/10442
stardewvalley anime mods Oho Davi
All villagers preview
https://www.nexusmods.com/stardewvalley/mods/1839
(CP) Seasonal Anime Portraits II
https://www.nexusmods.com/stardewvalley/mods/5494
(CP) (CP) Seasonal Anime Portraits III (not complete)
https://www.nexusmods.com/stardewvalley/mods/9302
Jingai Portraits
All villagers preview
https://www.nexusmods.com/stardewvalley/mods/7070
Sprites:
https://www.nexusmods.com/stardewvalley/mods/7835
660315's anime portraits for vanilla, Ridgeside and SVE
No preview pic yet
https://www.nexusmods.com/stardewvalley/mods/11654
https://www.nexusmods.com/stardewvalley/mods/8922
https://www.nexusmods.com/stardewvalley/mods/8921
https://www.nexusmods.com/stardewvalley/mods/11760
Nude Valley
Missing Jas, Vincent, and Leo.
https://www.nexusmods.com/stardewvalley/mods/10616