Kanna Talli or Kannatalli (English title: Mother; Telugu: కన్నతల్లి) is a 1953 Telugu Drama film directed and produced by K. S. Prakash Rao. It is simultaneously released in Tamil with title Petrathai. G. Varalakshmi played the title role of the Mother (Telugu meaning of Talli). This is the debut film for Telugu popular singer P. Susheela and actress Rajasulochana.

Rao and Lakshmi live with their child Radha. They were missed their daughter while they gone for shopping. Bhushanam and his wife take care of that child; they are calling her as Rama. Years later Rao and their servants passed away. Gopi lives with Lakshmi as a car driver and continues his parents work. Bhagavantam takes care of Rao's business. Meanwhile Rama completes her studies. Her father Bhushanam married Kandh Mani after his first wife's death.

Rama starts to search job while they are in poverty. Bhagavantam meets his college friend Bhagavantam, he promises to arrange job for his daughter Rama. He asks Rama to act as Radha, to improve Lakshmi's health. Will Rama identify her own Mother? Will Bhagavantam asks this forgery in good purpose?