Knutby

{{Infobox settlement

| official_name = Knutby

| image_skyline = 75 Knutby Ka.jpg

| image_caption = Knutby Church

| coordinates = {{Coord|59|54|35|N|18|15|55|E|region:SE|display=inline,title}}

| pushpin_map = Sweden Uppsala#Sweden

| pushpin_label_position =

| subdivision_type = Country

| subdivision_name = {{SWE}}

| subdivision_type3 = Municipality

| subdivision_name3 = Uppsala Municipality

| subdivision_type2 = County

| subdivision_name2 = Uppsala County

| subdivision_type1 = Province

| subdivision_name1 = Uppland

| area_footnotes = {{cite web |url=http://www.scb.se/Statistik/MI/MI0810/2010A01/Tatorternami0810tab1_4.xls |title=Tätorternas landareal, folkmängd och invånare per km² 2005 och 2010 |date=14 December 2011 |publisher=Statistics Sweden |language=Swedish |archive-url=https://web.archive.org/web/20120127055525/http://www.scb.se/Statistik/MI/MI0810/2010A01/Tatorternami0810tab1_4.xls |archive-date=27 January 2012 |url-status=live |access-date=10 January 2012}}

| area_total_km2 = 0.55

| 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=3 June 2024}}

| population_total = 692

| population_density_km2 = auto

| timezone = CET

| utc_offset = +1

| timezone_DST = CEST

| utc_offset_DST = +2

| website =

}}

Knutby is a locality situated in Uppsala Municipality, Uppsala County, Sweden, with 564 inhabitants in 2010.

Knutby's sports club, Knutby IF, was established in 1938 and its activities include football, skiing, gymnastics and athletics.

In 2004, Helge Fossmo, a pastor in a local Pentecostal church, orchestrated the murders of his wife and his neighbor in a case that garnered widespread media attention across Sweden.{{Cite web |date=2010-03-30 |title=Snart släpps hon fri |url=https://www.aftonbladet.se/a/qnJ651 |access-date=2024-01-10 |website=www.aftonbladet.se |language=sv}}{{Cite web |date=2021-05-04 |title='Pray, Obey, Kill' Finds Chilling Questions About the Murder in a Small Swedish Religious Community |url=https://www.esquire.com/entertainment/tv/a36319431/hbo-pray-obey-kill-true-story-helge-fossmo-asa-waldau-sara-svensson-today/ |access-date=2024-01-10 |website=Esquire |language=en-US}}