List of Carnegie libraries in Maine
The following list of Carnegie libraries in Maine provides detailed information on United States Carnegie libraries in Maine, where 18 public libraries were built from 18 grants awarded by the Carnegie Corporation of New York from 1901 to 1912. In addition, academic libraries were built at 2 institutions.
Key
Public libraries
| Library | City or town | Image | Date granted | Grant amount | Location | Notes | |
| 1 | Auburn | Auburn | $25,000 | 49 Spring St. | Opening on August 1, 1904, this William R. Miller of Portland design has been renovated and expanded in 1956, 1978, and 2005. | ||
| 2 | Caribou | Caribou | $10,000 | 30 High St. | Designed by local architect Schuyler C. Page in the Romanesque Revival style, this library was renovated in the 1960s. | ||
| 3 | Fort Fairfield | Fort Fairfield | $10,000 | 339 Main St. | Built in 1913, this library added a wing in 1993. | ||
| 4 | Freeport | Freeport | $6,500 | 55 Main St. | Designed by George Burnham, this library was closed in 1997 when a new library was built. It is now a private business. | ||
| 5 | Gardiner | Gardiner | $2,500 | 152 Water St. | Gardiner's grant was to complete an unfinished library. It was designed and begun in 1881 by local architect Henry Richards. | ||
| 6 | Guilford | Guilford | $5,750 | 4 Library St. | Designed by Bangor architect Frederick A. Patterson, this building was renovated in 1977 and 2002. | ||
| 7 | Houlton | Houlton | $10,000 | 107 Main St. | This library was designed by architect John Calvin Stevens of Portland in the Colonial Revival style, and it was renovated in 1968 and 1991. | ||
| 8 | Lewiston | Lewiston | $60,000 | 200 Lisbon St. | A Coombs and Gibbs design, this building was significantly renovated in 1996, including moving the main entrance one block to the west. | ||
| 9 | Madison | Madison | $8,000 | 12 Old Point Ave. | This building was designed by the Madison architectural firm of Snow & Humphreys. | ||
| 10 | Milo | Milo | $8,500 | 4 Pleasant St. | Construction for this Frederick A. Patterson of Bangor design did not begin until May 1922. | ||
| 11 | Oakland | Oakland | $10,000 | 18 Church St. | Designed by Harry S. Coombs, this building was expanded in 2002. | ||
| 12 | Old Town | Old Town | $10,000 | 46 Middle St. | A neoclassical work by New York architect Albert Randolph Ross, this library was expanded in 1991. | ||
| 13 | Pittsfield | Pittsfield | $10,000 | 89 S. Main St. | Architect Albert Randolph Ross would later use this Beaux-Arts design for the Warsaw, New York library. A Civil War monument was built to coincide with the building's dedication in 1904. | ||
| 14 | Presque Isle | Presque Isle | $10,000 | 39 2nd St. | An addition to this Astle and Page of Houlton work in 1967 significantly changed the look of this library. | ||
| 15 | Rockland | Rockland | $20,000 | 80 Union St. | Opening April 26, 1904, this Clough and Wardner of Boston-designed library was notably visited by President Taft in 1910. | ||
| 16 | Rumford | Rumford | $10,000 | 58 Rumford Ave. | Designed by John Calvin Stevens of Portland, this Romanesque Revival building had a large addition completed in 1969. | ||
| 17 | Vinalhaven | Vinalhaven | $5,200 | 1 Carver St. | This building was dedicated August 15, 1907. Designed by Clough and Wardner of Boston, it is in the Prairie School style. | ||
| 18 | Waterville | Waterville | $20,000 | 73 Elm St. | The work of Lewiston architect William R. Miller, this building has been renovated twice. |