USS Dolphin (PG-24) was a gunboat/dispatch vessel; the fourth ship of the United States Navy to share the name. Dolphin was the first U.S. Navy ship to fly the flag of the president of the United States during President Chester A. Arthur's administration, and the second Navy ship to serve as a presidential yacht.

USS Atlanta was a protected cruiser and one of the first steel warships of the "New Navy" of the 1880s. In some references she is combined with Boston as the Atlanta class, in others as the Boston class.