Lineboro, Maryland

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

{{Infobox settlement

|official_name = Lineboro, Maryland

|settlement_type = Unincorporated community

|nickname =

|motto =

|image_skyline = 2016-08-20 10 46 06 View south along Maryland State Route 86 (Main Street) at Mill Street in Lineboro, Carroll County, Maryland.jpg

|imagesize = 250px

|image_caption = Looking south on Main Street in Lineboro, Maryland

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|pushpin_map = USA Maryland#USA

|pushpin_label = Lineboro

|pushpin_label_position = top

|subdivision_type = Country

|subdivision_name = United States

|subdivision_type1 = State

|subdivision_name1 = Maryland

|subdivision_type2 = County

|subdivision_name2 = Carroll

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|unit_pref = Imperial

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|timezone = Eastern (EST)

|utc_offset = -5

|timezone_DST = EDT

|utc_offset_DST = -4

|elevation_footnotes =

|elevation_m = 210

|elevation_ft = 689

|coordinates = {{coord|39|43|9.84|N|76|50|41.03|W|region:US-MD|display=inline}}

|postal_code_type = ZIP code

|postal_code = 21088

|area_code = 410,443,667

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}}

Lineboro is an unincorporated community located in northeastern Carroll County, Maryland, United States.{{cite gnis|590670|Lineboro, Maryland}} The community was named for its location near the Mason–Dixon line.