This is the list of desktop files in Ubuntu main, whose i18n is still imperfect.
To recreate:

bzr branch lp:ubuntu/app-install-data-ubuntu
cd menu-data/
grep "X-AppInstall-Section=main" * | cut -d : -f1 | xargs grep -c "^Name*" | grep -v :1$

abiword.desktop:11 (#514225)
arora.desktop:5
assistant-qt3.desktop:2
assistant-qt4.desktop:11
atomix.desktop:54 (#514230)
designer-qt3.desktop:26
designer-qt4.desktop:13
dia-common.desktop:37 (514265)
ekiga.desktop:62 (#415055)
elinks.desktop:4
firefox.desktop:22 (#512380)
fontforge.desktop:4
f-spot.desktop:50 (#514240)
gcompris.desktop:49 (#514261)
gnumeric.desktop:47 (#514262)
gvim.desktop:68 (#453100)
kde4_knetworkmanager.desktop:18
kde4_konversation.desktop:37
kde_kchart.desktop:9
kde_kexi.desktop:4
kde_kformula.desktop:11
kde_kivio.desktop:5
kde_koffice.desktop:3
kde_koshell.desktop:66
kde_kplato.desktop:5
kde_kpresenter.desktop:14
kde_kresources.desktop:69
kde_krita.desktop:5
kde_kspread.desktop:9
kde_kudesigner.desktop:44
kde_kugar.desktop:5
kde_kword.desktop:8
liferea.desktop:21 (#514272)
linguist-qt4.desktop:8
ndisgtk.desktop:22 (#331852)
openjdk-6-java.desktop:2
openjdk-6-javaws.desktop:2
openoffice.org-base.desktop:41 (#512395)
openoffice.org-calc.desktop:40 (#512395)
openoffice.org-draw.desktop:41 (#512395)
openoffice.org-impress.desktop:41 (#512395)
openoffice.org-math.desktop:41 (#512395)
openoffice.org-writer.desktop:41 (#512395)
pessulus.desktop:74 (#514260)
scim-setup.desktop:28 (#293356)
scribus.desktop:5
scribus-ng.desktop:5
thunderbird.desktop:8 (#512380)
tomboy.desktop:70 (#514249)
tuxpaint.desktop:71 (#514266)
virt-manager.desktop:38 (#514271)