1953–1958[]
Japanese wordmark 
QSL Card
1958–1984[]
Logo with wordmark, used for Radio Kumamoto (1958–1961)
Wordmark, used for Radio Kumamoto (1958–1961)
Logo with wordmark, used for RKK Kumamoto Broadcasting (1961–1984)
Wordmark, used for RKK Kumamoto Broadcasting
Callsign (1958–2006) 
Television callsign (1959–2006)
RKK TV (1959–1984)
QSL Card (1959)
QSL Card (1969)
1984–2023[]
Japanese wordmark
RKK TV (1984–1990)
RKK TV (1990–1999)
RKK TV (1999–2006)
RKK Radio
2013–2023[]
Full variant
Japanese wordmark
RKK TV channel 3
RKK Radio
Website logo (2005–2023)
2023–present[]
Full variant
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BETTER LOGO NEEDED |
Japanese wordmark
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BETTER LOGO NEEDED |
RKK TV channel 3
RKK Radio
RKK Radio (Stacked variant)
Website logo