C58

C58 or C-58 may refer to:
 * C-58 (Michigan county highway)
 * C-58 highway (Spain)
 * ARM General Pedro María Anaya, an Admirable-class minesweeper of the Mexican Navy
 * Caldwell 58, an open cluster
 * Choriocarcinoma
 * Douglas C-58 Bolo, an American military aircraft
 * HMS Fiji (C58), a Fiji-class light cruiser of the Royal Navy
 * JNR Class C58, a Japanese steam locomotive
 * Minimum Age (Sea) Convention (Revised), 1936 of the International Labour Organization
 * Two Knights Defense, a chess opening