Radostowo, Olsztyn County
{{Other places|Radostowo (disambiguation){{!}}Radostowo}}
{{Infobox settlement
| name = Radostowo
| settlement_type = Village
| total_type =
| image_skyline =
| image_caption =
| image_flag =
| image_shield =
| image_map =
| subdivision_type = Country
| subdivision_name = {{POL}}
| subdivision_type1 = Voivodeship
| subdivision_name1 = Warmian-Masurian
| subdivision_type2 = County
| subdivision_name2 = Olsztyn
| subdivision_type3 = Gmina
| subdivision_name3 = Jeziorany
| coordinates = {{coord|53|59|6|N|20|36|21|E|region:PL|display=title,inline}}
| pushpin_map = Poland
| pushpin_label_position = bottom
| elevation_m =
| population_total = 1150
| website =
}}
Radostowo {{IPAc-pl|r|a|d|o|s|'|t|o|w|o}} is a village in the administrative district of Gmina Jeziorany, within Olsztyn County, Warmian-Masurian Voivodeship, in northern Poland.{{cite web |url=http://www.stat.gov.pl/broker/access/prefile/listPreFiles.jspa |title=Central Statistical Office (GUS) - TERYT (National Register of Territorial Land Apportionment Journal) |date=2008-06-01 |language=Polish}} It lies approximately {{convert|9|km|mi|0}} west of Jeziorany and {{convert|24|km|mi|0|abbr=on}} north of the regional capital Olsztyn.