Zastawno
{{Infobox settlement
| name = Zastawno
| 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 = Elbląg
| subdivision_type3 = Gmina
| subdivision_name3 = Młynary
| coordinates = {{coord|54|11|N|19|39|E|region:PL|display=title,inline}}
| pushpin_map = Poland
| pushpin_label_position = bottom
| elevation_m =
| population_total = 160
| website = [http://www.zastawno.pl www.zastawno.pl]
}}
Zastawno {{IPAc-pl|z|a|s|'|t|a|w|n|o}} is a village in the administrative district of Gmina Młynary, within Elbląg 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|6|km|mi|0}} west of Młynary, {{convert|19|km|mi|0|abbr=on}} north-east of Elbląg, and {{convert|72|km|mi|0|abbr=on}} north-west of the regional capital Olsztyn.