Łyse, Masovian Voivodeship
{{see also|Łyse, Podlaskie Voivodeship}}
{{Multiple issues|
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{{Infobox settlement
| name = Łyse
| image_skyline = Kościół pw. św. Anny w Łysych.jpg
| image_caption = Church of Saint Anne
| image_flag =
| image_shield =
| pushpin_map = Poland
| pushpin_label_position = bottom
| subdivision_type = Country
| subdivision_name = {{POL}}
| subdivision_type1 = Voivodeship
| subdivision_name1 = Masovian
| subdivision_type2 = County
| subdivision_name2 = Ostrołęka
| subdivision_type3 = Gmina
| subdivision_name3 = Łyse
| established_title =
| established_date =
| area_total_km2 =
| population_as_of = 2006
| population_total = 2000
| timezone = CET
| utc_offset = +1
| timezone_DST = CEST
| utc_offset_DST = +2
| coordinates = {{coord|53|21|51|N|21|33|54|E|region:PL|display=title,inline}}
| postal_code_type = Postal code
| postal_code = 07-437
| blank_name = Car plates
| blank_info = WOS
}}
Łyse {{IPAc-pl|'|ł|y|s|e}} is a village in Poland,{{Cite web |title=Poland bans import of Ukrainian grain and food products - English Section - polskieradio.pl |url=https://polskieradio.pl/395/7786/artykul/3151597,poland-bans-import-of-ukrainian-grain-and-food-products |access-date=2024-03-02 |website=polskieradio.pl |language=pl-PL}} situated in the Masovian Voivodeship, in Ostrołęka County, and in Gmina Łyse, by the road 645 between Myszyniec and Nowogród.{{TERYT}} It lies approximately {{convert|34|km|mi|0|abbr=on}} north of Ostrołęka and {{convert|133|km|mi|0|abbr=on}} north of Warsaw.
In 1975–1998, Łyse belonged to the Ostrołęka Voivodeship.{{citation needed|date=February 2025}}