Makachua is a village in the Nicobar district of Andaman and Nicobar Islands, India. It is located in the Great Nicobar tehsil.
The village was affected by the 2004 Indian Ocean earthquake and tsunami. According to the 2011 census of India, Makachua has 17 households. The effective literacy rate (i.e. the literacy rate of population excluding children aged 6 and below) is 45.24%.