| Aberdeen Arsenal | |
| Founded: | 1999 |
| Disbanded: | 2000 |
| City: | Bel Air, Harford County, Maryland |
| Ballpark: | Thomas Run Park |
| League: | Atlantic League (2000) |
| Former Names: |
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| Colors: | red, black |
| League Champs: | 0 |
| Division Champs: | 0 |
The Arsenal played at Thomas Run Park, on the campus of Harford Community College.
The Arsenal are the subject of NPR broadcaster Neal Conan's book, Play By Play: Baseball, Radio, and Life in the Last Chance League.