Kolachi

Kolachi (کولاچی) may refer to
 * An old name for Karachi, Pakistan
 * Kolachi (port), a former port at Karachi, Pakistan
 * Kolachi, Dadu, a village in Mehar Tehsil, Dadu District, Pakistan
 * Kalachi, Kazakhstan, a rural locality in Esil District, Akmola Region, Kazakhstan
 * Mai Kolachi (Lady Kolachi), legendary fisherwoman and namesake of Karachi, Pakistan