Abjuration Spells

The abjuration school of magic encompasses protective spells. They create a physical or magical barrier, negate magical or physical abilities, harm trespassers, or even banish the subject of the spell to another plane of existence.

Cantrips

Blade Ward
Can't Trip 
Can'trip 
Resistance

Level 1

Absorb Elements
Alarm
Arcanomagnetic Repulsion 
Armor of Agathys
Cannotrip 
Mage Armor
Peppermint Plate 
Protection from Evil and Good
Sanctuary
Shield
Shield of Faith
Snare

Level 2

Aid
Arcane Lock
Lesser Restoration
Mental Barrier
Pass Without Trace
Protection 
Protection from Poison
Shielding Word 
Thought Shield
Warding Bond

Level 3

Beacon of Hope
Counterspell
Dispel Magic
Glyph of Warding
Intellect Fortress
Magic Circle
Nondetection
Protection from Energy
Remove Curse

Level 4

Aura of Impurity 
Aura of Life
Aura of Purity
Banishment
Death Ward
Freedom of Movement
Mordenkainen's Private Sanctum
Shackles of Pain 
Stoneskin
Weavebend 

Level 5

Antilife Shell
Banishing Smite
Circle of Power
Dispel Evil and Good
Freedom of the Winds
Greater Restoration
Planar Binding

Level 6

Druid Grove
Fizban's Platinum Shield
Forbiddance
Globe of Invulnerability
Guards and Wards
Primordial Ward
Weave Entanglement 

Level 7

Power Word: Shield 
Symbol

Level 8

Antimagic Field
Holy Aura
Mind Blank

Level 9

Imprisonment
Invulnerability
Prismatic Wall

Spells by Class:

Artificer Spells
Bard Spells
Cleric Spells
Druid Spells
Paladin Spells
Ranger Spells
Sorcerer Spells
Warlock Spells
Wizard Spells

Spells by School of Magic:

Abjuration Spells
Conjuration Spells
Divination Spells
Enchantment Spells
Evocation Spells
Illusion Spells
Necromancy Spells
Transmutation Spells