Penarth, Delaware

{{Use mdy dates|date=July 2023}}

{{Infobox settlement

|official_name = Penarth, Delaware

|settlement_type = Unincorporated community

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|pushpin_map=Delaware#USA

|pushpin_label=Penarth

|pushpin_label_position=top

|subdivision_type = Country

|subdivision_name = United States

|subdivision_type1 = State

|subdivision_name1 = Delaware

|subdivision_type2 = County

|subdivision_name2 = New Castle

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|timezone = Eastern (EST)

|utc_offset = -5

|timezone_DST = EDT

|utc_offset_DST = -4

|elevation_footnotes =

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|elevation_ft = 384

|coordinates = {{coord|39|48|25|N|75|31|04|W|region:US-DE|display=inline,title}}

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|area_code = 302

|blank_name = GNIS feature ID

|blank_info = 217122{{cite gnis|217122|Penarth}}

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Penarth is an unincorporated community in New Castle County, Delaware, United States, {{convert|4.6|mi}} northeast of Wilmington{{Cite report |last = L. W. HECK, A. J. WRAIGHT, D. J. ORTH,J. R. CARTER, L. G. VAN WINKLE, and JANET HAZEN |title = Delaware Place Names |work = Geological Survey Bulletin 1245 |publisher = Government Printing Office (U.S.A.) |year = 1966 |url = https://pubs.usgs.gov/bul/1245/report.pdf

}} in the Brandywine Hundred. Penarth is located west of the intersection of Delaware Route 261 and Silverside Road, east of Talleyville.