You can add this to mirc.ini also, not sure there are more, maybe Khaled will add the ones not in the list:

Code
[fonts]
fstatus=Consolas,415,0,2,0,11
fchannel=Consolas,415,0,2,0,11
fquery=Consolas,415,0,2,0,11
flist=Consolas,415,0,2,0,11
fwwwlist=Consolas,415,0,2,0,11
fnotify=Consolas,415,0,2,0,11
fscripts=Consolas,415,0,2,0,11
flinks=Consolas,415,0,2,0,11
;
;fstatus=
;fchannel=
;fquery=
;flist=
;fwwwlist=
;fnotify=
;fscripts=
;flinks=
;fdccsg=
;ffinger=
;fdccs=
;fdccg=
;fremote=
;faliases=
;fpopups=
;fmessage=
;ftreebar=
;fswitchbar=