Maharani Ayilyom Thirunal Gouri Lakshmi Bayi (1791–1815) was the Maharani of the Indian state of Travancore from 1810 till 1813 and Regent from 1813 till her death in 1815 for her son Swathi Thirunal Rama Varma. She was the only Queen of Travancore to have reigned in her own right which she did for two years before becoming a regent.