Source dependent

The source or production method of orange marmalade can vary, so it is not always vegan.

Names you may see on a label

sinaasapplemarmelademermelada de naranjamarmelade d'orangemarmellata d'aranceOrangenmarmelademarmellata d'aranciamarmellata di arancemarmellata di aranciaOrangen-Marmelade

How to verify it

Look for a vegan certification or a manufacturer statement identifying the original source. The ingredient name alone does not settle it.