Sinnapappanuthu is a village in Udumalaipettai tehsil in district of Tiruppur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Sinnapappanuthu was 1,422 which includes 576 males and 846 females. Sinnapappanuthu covers 322.45 ha area. Pincode of Sinnapappanuthu is 642207.