Food’ Oostende, the culinairy department of the tourist office of Ostend (visitOostende), asked me to list some restaurants in Ostend, where vegans are welcome.
So here is a shortlist with places with vegan options (or offering vegan on request), on their website.

screenshot of part of the article on Food’Oostende

If you want to read reviews of places I have visited in Ostend (restaurants, shops, …) see this #tag on my blog vegan Oostende .

For a more extensive list of places in Ostend (and other places in Belgium and beyond, see the list on my blog: restaurants outside Bruges