Hello,
I did a quick research, and it seems that the following mailing lists have no moderator yet. So, my question is, who likes to jump in? Those who already moderate other lists in the respective domains are ideal candidates, of course. 
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hr.libreoffice.org/users
hr.libreoffice.org/announce
hr.libreoffice.org/discuss
fi.libreoffice.org/users
fi.libreoffice.org/announce
fi.libreoffice.org/discuss
fa.libreoffice.org/users
fa.libreoffice.org/announce
fa.libreoffice.org/discuss
ru.libreoffice.org/users
ru.libreoffice.org/announce
ru.libreoffice.org/discuss
documentfoundation.org/moderators
gl.libreoffice.org/announce
zh-cn.libreoffice.org/announce
zh.libreoffice.org/announce
it.libreoffice.org/announce
sl.libreoffice.org/users
sl.libreoffice.org/announce
sl.libreoffice.org/discuss
bg.libreoffice.org/users
bg.libreoffice.org/announce
bg.libreoffice.org/discuss
libreoffice.org/accessibility
sk.libreoffice.org/users
sk.libreoffice.org/announce
sk.libreoffice.org/discuss
pl.libreoffice.org/users
pl.libreoffice.org/announce
pl.libreoffice.org/discuss
es.libreoffice.org/users
es.libreoffice.org/announce
es.libreoffice.org/discuss
cz.libreoffice.org/users
cz.libreoffice.org/announce
cz.libreoffice.org/discuss
zh-tw.libreoffice.org/announce
Thanks,
Florian