There are many different shields to be found in Dark Souls 3. Each shield can be categorized into a shield category, grouping them based on their overall damage absorption, stability, and size.
Small Shields
Buckler
Caduceus Round Shield
Crimson Parma
Dragonhead Shield
Eastern Iron Shield
Elkhorn Round Shield
Ghru Rotshield
Golden Falcon Shield
Hawkwood's Shield
Iron Round Shield
Leather Shield
Llewellyn Shield
Plank Shield
Red and White Round Shield
Sacred Bloom Shield
Small Leather Shield
Target Shield
Warrior's Round Shield
Normal Shields
Black Knight Shield
Blue Wooden Shield
Carthus Shield
Crest Shield
Dragon Crest Shield
East-West Shield
Ethereal Oak Shield
Follower Shield
Golden Wing Crest Shield
Grass Crest Shield
Kite Shield
Knight Shield
Large Leather Shield
Lothric Knight Shield
Pierce Shield
Pontiff Knight Shield
Porcine Shield
Round Shield
Shield of Want
Silver Eagle Kite Shield
Silver Knight Shield
Spider Shield
Spiked Shield
Spirit Tree Crest Shield
Stone Parma
Sunlight Shield
Sunset Shield
Wargod Wooden Shield
Wooden Shield
Greatshields
Ancient Dragon Greatshield
Black Iron Greatshield
Bonewheel Shield
Cathedral Knight Greatshield
Curse Ward Greatshield
Dragonhead Greatshield
Dragonslayer Greatshield
Giant Door Shield
Greatshield of Glory
Havel's Greatshield
Lothric Knight Greatshield
Moaning Shield
Stone Greatshield
Twin Dragon Greatshield
Wolf Knight's Greatshield
Yhorm's Greatshield