Chandausi is a city and a municipal board in Sambhal district in the state of Uttar Pradesh, India.

The original name of the city was "Chanda Si", meaning "moon-like" (in Indian poetry the moon is considered to be beautiful).

Zonal Railway Training Institute (ZRTI) at Chandausi, Moradabad UP is the oldest (and North India's only) Railway Training Institute, where group C railway employees like Driver, Guard, Ticket Checker, Station Master, Traffic Inspector, Commercial Inspector, JE (signal & Telecom) etc.

[3] Khan enticed several Bania merchants to settle in the town, so that they would carry out trade with the western territories.

The climate of the area is similar to that of the Indo-Gangetic Plain, with hot dry summers and cold winters and an average of 35 inches of rainfall.