420 Bertholda is a very large main-belt asteroid. It is classified as a P-type asteroid.

It was discovered by Max Wolf on September 7, 1896, in Heidelberg.

de:(420) Bertholda el:420 es:(420) Bertholda eo:420 Bertoldo eu:420 Bertholda fa: fr:(420) Bertholda it:420 Bertholda la:420 Bertholda hu:420 Bertholda ja: ( ) no:420 Bertholda nn:420 Bertholda pl:420 Bertholda pt:420 Bertholda sk:420 Bertholda sl:420 Bertolda sr:420 Bertholda tl:420 Bertholda uk:420 vi:420 Bertholda yo:420 Bertholda zh: 420