Ovarian Cyst: Pain above the vagina, particularly on one side, is commonly associated with ovarian cysts. These cysts can cause discomfort, pain, and sometimes more severe symptoms if they rupture or twist.

Ectopic Pregnancy: Although less common, an ectopic pregnancy can cause severe pain, often localized to one side of the lower abdomen, which might be perceived as above the vagina.
Endometriosis: This condition involves tissue similar to the lining inside the uterus growing outside of it, leading to pain, often on one side, during menstruation or intercourse.
Pelvic Inflammatory Disease (PID): An infection of the female reproductive organs, PID can cause pain in the lower abdomen, which might radiate to the area above the vagina.

Ruptured Ovarian Cyst: While included in the likely diagnoses, a ruptured cyst is an emergency that requires immediate medical attention due to potential for severe bleeding and shock.
Appendicitis: Although the appendix is typically located on the right side, in some cases (like retrocecal appendicitis), the pain can be more central or even perceived on the left side, making it a critical diagnosis not to miss.
Ectopic Pregnancy Rupture: Similar to a ruptured ovarian cyst, a ruptured ectopic pregnancy is a life-threatening emergency requiring immediate surgical intervention.

Diverticulitis: Inflammation of a diverticulum in the colon can cause lower abdominal pain, which might be perceived as above the vagina, though this is less common.
Ureteral Stone: A stone passing through the ureter can cause severe, colicky pain that might be felt in the lower abdomen or radiate to the groin area.
Malignancies: Various cancers (e.g., ovarian, uterine, or colon cancer) can cause chronic pain in the pelvic area, though they are less likely to present with acute pain above the vagina on one side.