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In human anatomy, the inguinal /ˈɪŋɡwənəl/ region refers to either the groin or the lower lateral regions of the abdomen. It may also refer to:

  • Conjoint tendon, previously known as the inguinal aponeurotic falx, a structure formed from the transversus abdominis insertion into the pecten pubis
  • Granuloma inguinale, a bacterial disease characterized by ulcerative genital lesions that is endemic in many less developed regions
  • Inguinal canal, a passage in the anterior abdominal wall which in men conveys the spermatic cord and in women the round ligament
  • Inguinal falx, the conjoined tendon of the obliquus internus and transversus muscles
  • Inguinal hernia, a protrusion of abdominal-cavity contents through the inguinal canal
    • Direct inguinal hernia, a type of inguinal hernia with a sac that is medial to the inferior epigastric vessels
    • Indirect inguinal hernia, a hernia that results from the failure of the embryonic internal inguinal ring after the testicle has passed through it
  • Inguinal ligament, a ligament that runs from the pubic tubercle to the anterior superior iliac spine
  • Inguinal lymph node a type of lymph node in the inguinal region
  • Inguinal orchiectomy, a surgical procedure to remove a testicle
  • Inguinal ring, the two openings of the inguinal canal
  • Inguinal triangle, a region of the abdominal wall, also known by the eponym Hesselbach's triangle
  • Lateral inguinal fossa, a shallow concave stretch of peritoneum on the deep surface of the anterior abdominal wall
  • Medial inguinal fossa a depression located within the inguinal triangle on the peritoneal surface of the anterior abdominal wall
  • Reflected inguinal ligament, a triangular layer of tendinous fibers formed by the medial fibers of the external abdominal oblique aponeurosis