Inguinal (Indirect, Direct)
Femoral
Spigelian

Umbilical, Paraumbilical

Epigastric
Divarication of the recti (separation of the central abdominal muscles), this causes a protrusion in the midline but is not a 'true' hernia and does not carry the risk of bowel becoming trapped within it and thus does not require repair

Obturator
Lumbar
Gluteal
Sciatic
Incisional

Reducible, Irreducible
Strangulated
 
Sliding (retroperitonal contents in sac)

Littre’s (Meckel’s diverticulum in sac)
Richter’s hernia (Stranulated but not obstructed)
Maydl’s (Strangulated above defect)