Ramaroshan () is a Gaupalika () in Achham District in the Sudurpashchim Province of far-western Nepal. Ramaroshan has a population of 25166.The land area is 173.33 km<sup>2</sup>.
It was formed by merging Malatiko, Chafamandu, Shantada, Batulasain, Samroshan, Bhatakatiya and Sutar VDCs.
At the time of the 2011 Nepal census, Ramaroshan Rural Municipality had a population of 25,172. Of these, 95.5% spoke Nepali, 3.4% Achhami, 1.1% Magar and 0.1% other languages as their first language.
In terms of ethnicity/caste, 62.1% were Chhetri, 15.8% other Dalit, 7.3% Hill Brahmin, 5.3% Kami, 3.7% Damai/Dholi, 1.7% Lohar, 1.5% Thakuri, 1.4% Bengali, 1.1% Magar, 0.1% other Terai and 0.1% others.
In terms of religion, 99.4% were Hindu and 0.6% Christian.
In terms of literacy, 55.8% could read and write, 3.7% could only read and 39.7% could neither read nor write.