Vatathukkul Chadhuram (Tamil: வட்டத்துக்குள் சதுரம்) is a 1978 Indian Tamil film, directed by S. P. Muthuraman and produced by N. S. Mani. The film stars Latha, Sumithra, Sreekanth and Sarath Babu in lead roles. The film had musical score by Ilaiyaraaja. The story depicts the depth of friendship shared between the characters Anu and Malathy.