Konstantynówka, Gmina Giby
{{Other places|Konstantynówka (disambiguation){{!}}Konstantynówka}}
{{Infobox settlement
| name = Konstantynówka
| settlement_type = Village
| total_type =
| image_flag =
| image_shield =
| image_map =
| subdivision_type = Country
| subdivision_name = {{POL}}
| subdivision_type1 = Voivodeship
| subdivision_name1 = Podlaskie
| subdivision_type2 = County
| subdivision_name2 = Sejny
| subdivision_type3 = Gmina
| subdivision_name3 = Giby
| coordinates = {{coord|54|4|7|N|23|20|50|E|source:plwiki_type:city|display=title,inline}}
| pushpin_map = Poland
| elevation_m =
| population_as_of = 2021
| population_total = 21 {{Cite web|url=https://www.polskawliczbach.pl/wies_Konstantynowka_giby_podlaskie |title=Population of Konstantynówka village |access-date= 2021-10-30}}
| postal_code_type = Postal code
| blank_name = Car plates
| blank_info = BSE
| code1_name = SIMC
| website =
}}
Konstantynówka {{IPAc-pl|k|o|n|s|t|a|n|t|y|'|n|u|f|k|a}}, is a village in the administrative district of Gmina Giby, within Sejny County, Podlaskie Voivodeship, in north-eastern Poland, close to the borders with Belarus and Lithuania.{{TERYT}} It lies off national road 16.
History
In 1921 the village had 9 houses and 50 inhabitants, including 19 Catholics, 16 Old Believers and 15 Orthodox Christians.{{Cite web |year=1924 |title=Skorowidz miejscowości Rzeczypospolitej Polskiej: opracowany na podstawie wyników pierwszego powszechnego spisu ludności z dn. 30 września 1921 r. i innych źródeł urzędowych |url=https://pbc.biaman.pl/dlibra/doccontent?id=27140&dirids=1 |page=78 (69)}}