Nyona Lake

{{Infobox body of water

| name = Nyona Lake

| image =

| caption =

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| location = Fulton County, Indiana,
United States

| coords = {{coord|40.9650|N|86.1847|W |type:waterbody_region:US-IN |format=dms |display=inline,title}}

| type = Natural Lake

| inflow = Whitmore Ditch (East, North Basin) Fouts Ditch (NW, North Basin)

| outflow = Channel/Dam (SW, South Basin) Flows into Mud Creek

| catchment =

| basin_countries = United States

| length =

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| area = {{convert|104|acre|km2}}

| depth = {{convert|13|ft|abbr=on}}

| max-depth = {{convert|32|ft|abbr=on}}

| volume =

| residence_time = 75% Population Yr. Round

| shore =

| elevation = {{convert|794|ft|abbr=on}}

| islands =

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| pushpin_map = Indiana#USA

| pushpin_label_position =

| pushpin_map_alt = Location of Nyona Lake in Indiana, USA.

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Nyona Lake is a lake near the town of Macy, Indiana, in Fulton County.

Originally known as North Mud Lake{{Cite web |title=Nyona Lake and South Mud Lake |url=http://www.nyonalake.com/about.html |access-date=2022-09-01 |website=www.nyonalake.com}} it was renamed for Nyona Shaffer, whose family operated a cabin rental business on the lakefront in the 1920's.{{cite web|url=http://rochsent.com/main.asp?SectionID=45 |title=Places to see, things to do in Fulton Co. |publisher=The Rochester Sentinel |accessdate=10 September 2014 |url-status=dead |archiveurl=https://web.archive.org/web/20131127090712/http://rochsent.com/main.asp?SectionID=45 |archivedate=November 27, 2013 }} Early investors in the lake's recreation business included Chevrolet founder Louis Chevrolet who operated a dancehall and refreshment stands.{{Cite web |title=Chevrolet Brothers / Period Articles / Business Matters 1917-1925 |url=https://www.chevroletbrothers.com/business-matters-1917-1925?lightbox=dataItem-ivx4czdg |access-date=2022-09-01 |website=chevrolet-brothers |language=en}}

The census-designated place of Nyona Lake surrounds the lake.