https://japantoday.com/category/features/food/pizza-hut%E2%80%99s-new-coriander-pizza-contains-more-cilantro-than-ever-before
https://japantoday.com/category/features/food/pizza-hut%E2%80%99s-new-coriander-pizza-contains-more-cilantro-than-ever-before
Biologically, yes. Culinarily, cilantro is the leafy thing (that tastes like soap to some) and coriander is the seed (almost always ground) that is considered a spice.
In the UK we just call it coriander and coriander seeds.