Globally, 岡本 (岡本 
) is an extremely rare unknown gender forename. Predominantly, 岡本 is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| 岡本 | Japan |
| 岡本茂 Japanese politician (1898-1980), JP (b. 1898) |
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| 岡本 隆子 Japanese television personality, JP (b. 1944) |
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| 岡本 秀雄 Japanese rower, JP (b. 1948) |
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| 岡本武 JP (b. 1945) |
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| 岡本隆司 Japanese historian, JP (b. 1965) |
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| 岡本透 Japanese baseball player, JP (b. 1965) |
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| 岡本隆志 JP (b. 1959) |
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