This is a list of the National Register of Historic Places listings in Caroline County, Maryland.

This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Caroline County, Maryland, United States. Latitude and longitude coordinates are provided for many National Register properties and districts; these locations may be seen together in a map.^[1]

There are 24 properties and districts listed on the National Register in the county.

          This National Park Service list is complete through NPS recent listings posted February 9, 2024.^[2]

Current listings

[3]	Name on the Register[4]	Image	Date listed[5]	Location	City or town	Description
1	Athol	More images	June 9, 1989 (#89000485)	Melville Rd. near Trunk Line Rd. 39°05′15″N 75°47′41″W / 39.0875°N 75.794722°W / 39.0875; -75.794722 (Athol)	Henderson
2	Brick House Farm		December 2, 2009 (#09000963)	24870 E. Cherry Ln. 39°00′38″N 75°50′21″W / 39.010592°N 75.839136°W / 39.010592; -75.839136 (Brick House Farm)	Greensboro
3	Castle Hall		December 4, 1975 (#75000872)	8 miles north of Goldsboro on Maryland Route 311 39°03′05″N 75°47′08″W / 39.051389°N 75.785556°W / 39.051389; -75.785556 (Castle Hall)	Goldsboro
4	Chambers Park Log Cabin	More images	June 28, 2016 (#16000408)	Liberty Rd. 38°41′37″N 75°45′42″W / 38.693615°N 75.761764°W / 38.693615; -75.761764 (Chambers Park Log Cabin)	Federalsburg
5	Daffin House	Upload image	October 21, 1975 (#75000873)	3 miles south of Hillsboro on Deep Branch Rd. 38°52′31″N 75°55′47″W / 38.875278°N 75.929722°W / 38.875278; -75.929722 (Daffin House)	Hillsboro
6	Delaware Boundary Markers	Upload image	February 18, 1975 (#75002101)	Boundary line dividing Delaware from Maryland and Pennsylvania Coordinates missing	Multiple	Extends into Delaware and southeastern Pennsylvania.
7	Denton Armory		September 25, 1985 (#85002665)	Maple Ave. and Randolph St. 38°53′02″N 75°49′53″W / 38.883889°N 75.831389°W / 38.883889; -75.831389 (Denton Armory)	Denton
8	Denton Historic District		December 1, 1983 (#83003738)	Roughly bounded by 1st, 10th, Gay, High, Franklin, and Sunnyside Sts. 38°53′07″N 75°49′41″W / 38.885278°N 75.828056°W / 38.885278; -75.828056 (Denton Historic District)	Denton
9	Denton Schoolhouse		April 19, 1978 (#78001447)	104 S. 2nd St. 38°53′07″N 75°50′02″W / 38.885278°N 75.833889°W / 38.885278; -75.833889 (Denton Schoolhouse)	Denton
10	Exeter		January 3, 1978 (#78001448)	North of Federalsburg on Maryland Route 630 38°42′10″N 75°46′37″W / 38.702778°N 75.776944°W / 38.702778; -75.776944 (Exeter)	Federalsburg
11	Federalsburg West Historic District		May 12, 2016 (#16000250)	Roughly bounded by Railroad, University & Bloomingdale Aves., Denton & Idlewild Rds. & Marshyhope Creek 38°41′55″N 75°46′49″W / 38.698543°N 75.780314°W / 38.698543; -75.780314 (Federalsburg West Historic District)	Federalsburg
12	Leonard House		November 14, 1988 (#88001444)	Main St. 38°58′43″N 75°48′14″W / 38.978611°N 75.803889°W / 38.978611; -75.803889 (Leonard House)	Greensboro
13	Jacob and Hannah Leverton House	Upload image	December 2, 2009 (#09000964)	3531 Seaman Rd. 38°42′09″N 75°53′29″W / 38.702442°N 75.891258°W / 38.702442; -75.891258 (Jacob and Hannah Leverton House)	Preston
14	Linchester Mill		December 23, 2009 (#09001148)	3395 Linchester Rd. 38°42′03″N 75°53′51″W / 38.70071°N 75.8974°W / 38.70071; -75.8974 (Linchester Mill)	Preston
15	Marble Head	More images	December 27, 2002 (#02001577)	24435 Marblehead Rd. 38°59′21″N 75°48′18″W / 38.989167°N 75.805°W / 38.989167; -75.805 (Marble Head)	Ridgely
16	Memory Lane		October 12, 2000 (#00001200)	24700 Williston Rd. 38°49′51″N 75°50′54″W / 38.830833°N 75.848333°W / 38.830833; -75.848333 (Memory Lane)	Denton
17	Nanticoke Lodge No. 172, A.F. and A.M.		June 2, 2014 (#14000270)	112-116 N. Main St. 38°41′42″N 75°46′26″W / 38.694991°N 75.773882°W / 38.694991; -75.773882 (Nanticoke Lodge No. 172, A.F. and A.M.)	Federalsburg
18	Neck Meetinghouse and Yard	More images	October 22, 1976 (#76000982)	Maryland Route 404 38°53′26″N 75°50′29″W / 38.890556°N 75.841389°W / 38.890556; -75.841389 (Neck Meetinghouse and Yard)	West Denton
19	Oak Lawn	More images	May 28, 1975 (#75000875)	2.8 miles north of Ridgely on Maryland Route 312 38°58′50″N 75°52′51″W / 38.980556°N 75.880833°W / 38.980556; -75.880833 (Oak Lawn)	Ridgely
20	Potter Hall		November 30, 1982 (#82001590)	Martin Lane 38°49′52″N 75°51′10″W / 38.831111°N 75.852778°W / 38.831111; -75.852778 (Potter Hall)	Williston
21	St. Paul's Episcopal Church		May 12, 1975 (#75000874)	South of Maryland Route 404 38°54′56″N 75°56′32″W / 38.915556°N 75.942222°W / 38.915556; -75.942222 (St. Paul's Episcopal Church)	Hillsboro
22	West Denton Warehouse-Wharf		November 15, 2000 (#00001285)	10215 River Landing Rd. 38°53′18″N 75°50′23″W / 38.888333°N 75.839722°W / 38.888333; -75.839722 (West Denton Warehouse-Wharf)	West Denton
23	Williston Mill Historic District		December 27, 2002 (#02001576)	24729 Williston Rd. 38°49′46″N 75°50′50″W / 38.829444°N 75.847222°W / 38.829444; -75.847222 (Williston Mill Historic District)	Denton
24	Willow Grove		June 13, 1972 (#72000573)	Maryland Route 457 off Maryland Route 213 38°55′34″N 75°46′28″W / 38.926111°N 75.774444°W / 38.926111; -75.774444 (Willow Grove)	Greensboro