Nykvarn

{{Infobox settlement

| official_name = Nykvarn

| image_skyline = Nykvarns folketspark.JPG

| image_caption = Nykvarn Folkpark, entrance

| pushpin_map = Sweden Stockholm#Sweden

| pushpin_label_position =

| subdivision_type = Country

| subdivision_name = Sweden

| subdivision_type3 = Municipality

| subdivision_name3 = Nykvarn Municipality

| subdivision_type2 = County

| subdivision_name2 = Stockholm County

| subdivision_type1 = Province

| subdivision_name1 = Södermanland

| area_footnotes = {{Cite web|url=https://www.scb.se/en/finding-statistics/statistics-by-subject-area/environment/land-use/localities-and-urban-areas/pong/tables-and-graphs/localities-2017--population-area-overlap-holiday-home-areas-coordinates/|format=XLSX |title=Localities 2017 – population, area, overlap holiday home areas, coordinates|date=28 March 2018|publisher=Statistics Sweden|access-date=12 November 2018}}

| area_total_km2 = 5.60

| population_as_of = 31 December 2020

| population_footnotes = {{cite web | title=Statistiska tätorter 2020, befolkning, landareal, befolkningstäthet| publisher=Statistics Sweden | url=https://www.scb.se/MI0810 |date=31 December 2020 | access-date=2 June 2024}}

| population_total = 7,862

| population_density_km2 = auto

| timezone = CET

| utc_offset = +1

| timezone_DST = CEST

| utc_offset_DST = +2

| coordinates = {{coord|59|10|30|N|17|26|00|E|region:SE|display=inline,title}}

| website =

}}

Nykvarn ({{IPA|sv|nʏˈkvɑːɳ}}){{cite book|url=https://runeberg.org/ortnamn/0022.html|author1=Jöran Sahlgren|author2=Gösta Bergman|title=Svenska ortnamn med uttalsuppgifter|language=sv|year=1979|page=18}} is a locality and (since 1999) the seat of Nykvarn Municipality, Stockholm County, Sweden with 7,560 inhabitants in 2017. Between 1971-1998 it was a part of Södertälje Municipality. Nykvarn is the hometown of such bands as Hyena Breed, Feed Filiph, From Zero to Hero and Aldiureep, as well as Stanley Cup winner Carl Hagelin. The city hosts the annual rock and metal festival called Moshpit Open Festival.