Groups
- ashurame gajoh 28
- ashuraya 22
- asia no hiraki 4
- asian girly 3
- asian-beat 2
- asianboy 25
- asiangirl 3
- asicasoft 6
- asihireya 2
- asimoto ni doukoukai 1
- ask 52
- askot 51
- askray 214
- asma 4
- asmodeus seiyaku 2
- asnaronyoichi 4
- aso soft 1
- ason 2
- asonerikes 1
- aspara club 1
- aspara noujou 6
- asparagus 14
- aspergillus 112
- asring 3
- ass 19
- assam 8
- assault machine gun 4
- assaultbeer 13
- assemblink 20
- asshuku koubou 38
- asshuku town 22
- assistreplaytime 9
- asstaro-san 32
- ast 4
- astavelia 2
- astemio 10
- asterisk 4
- asterism 35
- asteroid 3
- asteroid fish 1
- astllatte 4
- astonish 6
- astoro 1
- astral 27
- astral idler 2
- astral kids 8
- astral trip 2
- astras 145
- astray 2
- astro creep 39