Sure. To be honest with you, while in general there are very good reasons not to want to vary 1:1 mappings between Wikidata and individual wikipedias, you can really argue that for a handful of wikis, allowing two articles (call them lad and lad-he) would be entirely appropriate. But we're not there, alas.
There aren't official ISO codes: by themselves, Latin-script and Hebrew-script are not really dialect variants, only script variants. Judeo-Spanish Wikipedia actually incorporates pages reflecting several (generally mutually intelligible) dialects; Judeo-Spanish is much like Yiddish in that regard. The original script is Hebrew, and most people who still speak this fluently still consider it more authentic. On the whole, Latin scripts are more common these days, and there are far more articles in my wiki in a Latin script than in Hebrew-script.
But there is also more than one Latin-alphabet transcription. There is a Latin-script variant that hews more closely to the related Spanish. There is one that hews more closely to Turkish, because many Sephardim landed there after the Spanish expulsion in 1492. There is one out of an institute in Israel that tries to standardize the transcription by mimicking the Spanish, but without certain Spanish idiocyncrasies (no ll or ñ, for example). There is one that tries to be more phonetic. Those four, plus Hebrew, all have home-pages on this wiki (lad:, and click through the tabs). (There are a handful of introduction pages in "Vikipedya" space that also have different variants, but only one page in mainspace that I've found [so far]; mostly, using "Latin-script" and "Hebrew-script" is sufficient for the mainspace.)
And just for yucks, even if I picked just one Latin script, it would be impossible to create a reliable 1:1 character mapping in order to use the tools available on, say, Kazakh Wikipedia to allow all pages to be shown in both scripts. So I guess I'm stuck where I am. (;-) <smile with yarmulke on head.
I still want to confirm, though: Qs with the same label in English are ok?