Sasthamangalam (Malayalam: ശാസ്തമംഗലം) is a ward in the city of Thiruvananthapuram, Kerala, India.

[1] It is known for the Sasthamangalam Mahadevar Temple, one of the four major temples regularly visited by the Kings of Travancore, in the past.

[2] The road along which the king would descend from the royal chariot and walk to the temple is now known as Radhapura Kunnu Lane.

[3]