Velankanni may refer to:
- Velankanni Town, a pilgrim town near Nagapattinam in the Indian state of Tamil Nadu
- Our Lady of Good Health, or Velankanni Matha an apparition attributed to Mary, mother of Jesus
- Basilica of Our Lady of Good Health, a shrine in the town of Velankanni
- Annai Velankanni, 1971 Indian film
- Our Lady of Good Health, or Velankanni Matha an apparition attributed to Mary, mother of Jesus
- Graha Maria Annai Velangkanni, a church in Indo Mughal style dedicated to the apparition of Mary in Velankanni; in Medan, Indonesia
- Our Lady of Good Health Church, Pattumala, church dedicated to the apparition of Mary in Velankanni; in Kerala, India