Meanings of minor planet names: 420001–421000

420001–420100

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 * colspan=4 align=center | There are no named minor planets in this number range
 * }

420101–420200

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 * colspan=4 align=center | There are no named minor planets in this number range
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420201–420300

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 * colspan=4 align=center | There are no named minor planets in this number range
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420301–420400

 * -id=356
 * 420356 Praamzius || || Praamzius, the oldest and highest Lithuanian god related to the creation of the world || ·
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420401–420500

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 * colspan=4 align=center | There are no named minor planets in this number range
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420501–420600

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 * colspan=4 align=center | There are no named minor planets in this number range
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420601–420700

 * -id=612
 * 420612 Nuptel || || NUPT, founded in 1942, is the abbreviation of Nanjing University of Posts and Telecommunications. || ·
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420701–420800

 * -id=779
 * 420779 Świdwin || || Świdwin, a town located in West Pomerania Province in Poland || ·
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420801–420900

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 * colspan=4 align=center | There are no named minor planets in this number range
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420901–421000

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 * colspan=4 align=center | There are no named minor planets in this number range
 * }