Mainichi Film Award for Best Lead Performance

{{Infobox award

| name = Mainichi Film Award for Best Lead Performance

| image =

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| awarded_for = Best Lead Performance of the year

| presenter =

| country = Japan

| location =

| year = 2024

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| website =

}}

The Mainichi Film Award for Best Lead Performance is a film award given at the Mainichi Film Awards.{{cite news |url=http://mainichi.jp/enta/cinema/mfa/etc/history/|title=コンクールの歴史|trans-title=History of Mainichi Film Award|accessdate=2015-04-19|publisher=The Mainichi Newspapers|language=Japanese}} In 2024, the Mainichi Film Awards announced that the four acting categories would be retired and replaced with two gender neutral categories, with both Best Male Lead and Best Female Lead merging into the Best Lead Performance category.