How to Make 1″ Tokens – Guide to making creature tokens for your battlemaps.
Tabletop
https://www.heroforge.com/ – Craft your own custom mini and they 3D print it for you. Lots of options and materials to choose from.
Printable Heroes – Free, aesthetically pleasing printable tokens you can use for your tabletop. Check out the Patreon as well!
Paizo’s Bestiary Box – Paizo’s first box, great value. Seems to go in and out of print. Even though it’s for Pathfinder this box is loaded with common Dungeons & Dragons monsters. Check out it’s contents.
Reaper Bones – About the cheapest plastic minis you’ll find that are still good quality. Their base isn’t a standard 1″ so be aware.
Digital
Monster Manual Round Tokens – An album of 370+ monsters. Here is the template you can use to make your own.
DnD Noobie’s Square Token Pack – Almost 500 square tokens! YOWZERS!
More Square Tokens – Yep, more square tokens.
NPC Tokens – Over 900 NPC tokens.
Devin Night – Free pack 1 through 20 of Devin Night’s tokens.
Sprites – Humanoid sprites.
Other Sprites – Misc sprites.