Piro was an Assembly constituency in Bihar which existed until 2008. It came under Bikramganj Lok Sabha constituency. From 2008 the seat was succeeded by Tarari Assembly constituency. Sunil Pandey was the last MLA from this constituency.

Members of Legislative Assembly

YearMemberParty
1952Devidayal RamSocialist Party
1957Sumitra DeviIndian National Congress
Nagina Dusadh
1962Indramani Singh
1967R. M. RaiSamyukta Socialist Party
1969Ram Ekbal Singh Warsi
1972Jay NarayanIndian National Congress
1977Raghupati GopJanata Party
1980Muni SinghIndian National Congress (I)
1985Raghupati GopLokdal
1990Chander Deep SinghIndian People's Front
1995Kanti SinghJanata Dal
2000Narendra Kumar PandeySamata Party
2005Janata Dal (United)
2005
2010 onwards : See Tarari Assembly constituency

25°20′N 84°24′E/25.33°N 84.40°E/ 25.33; 84.40