Oani Chaubey is a village in Robertsganj tehsil in district of Sonbhadra, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Oani Chaubey was 339 which includes 181 males and 158 females. Oani Chaubey covers 71.91 ha area. Pincode of Oani Chaubey is N/A.