RK Nagar may refer to:
Places Ramakrishnanagar, a neighbourhood in Mysore, India Ramkrishna Nagar, Karimganj, a Township in Assam, India Radhakrishnan Nagar, an Assembly constituency in Chennai, India Radha Krishna Nagar, popularly known as Safilguda is a neighbourhood in Hyderabad, India
Movies RK Nagar (film), a 2019 Tamil film
Institutions Ramkrishna Nagar College, an educational institution in Karimganj, India