Masayuki Iwamoto

{{Short description|Japanese astronomer}}

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| 5399 Awa || January 29, 1989 || {{MPC|5399}}{{ref label|codisc|1|}}

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| 5581 Mitsuko || February 10, 1989 || {{MPC|5581}}{{ref label|codisc|1|}}

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| 6383 Tokushima || December 12, 1988 || {{MPC|6383}}{{ref label|codisc|1|}}

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| 9943 Bizan || October 29, 1989 || {{MPC|9943}}{{ref label|codisc|1|}}

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| 27714 Dochu || January 29, 1989 || {{MPC|27714}}{{ref label|codisc|1|}}

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| colspan=3 style="font-size: smaller;" |

1. {{note label|codisc|1|}} with T. Furuta

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{{Nihongo|Masayuki Iwamoto|岩本 雅之|Iwamoto Masayuki| born 1954}} is a Japanese astronomer from Awa in the Tokushima Prefecture. The Minor Planet Center credits him with the co-discovery of 6 asteroids made together with Japanese astronomer Toshimasa Furuta at the Tokushima-Kainan Astronomical Observatory {{small|(872)}} in 1988 and 1989. He also received the Edgar Wilson Award in 2013 for the discovery of comet C/2013 E2, in 2019 for the discovery of the comets C/2018 V1 and C/2018 Y1 and in 2021 for the discovery of C/2020 A2.{{cite web |title=The Edgar Wilson Award Recipients |url=http://www.cbat.eps.harvard.edu/special/EdgarWilson1.html |website=www.cbat.eps.harvard.edu |access-date=23 August 2024}}

The inner main-belt asteroid 4951 Iwamoto, discovered by astronomers Yoshikane Mizuno and Toshimasa Furuta, was named in his honor on 5 March 1996 ({{small|M.P.C. 26763}}).