In France, Apple says Apple Pay will be available later this year to Banque BCP and Arkéa Banque Privée customers, and through mobile-only banking and/or payment solutions Orange Bank, Lydia, and N26.
In Italy, as promised, Apple Pay is available now for American Express credit cards issued directly by American Express.
In Ireland, Apple Pay is available now at AIB, one of the so-called "Big Four" financial institutions in the country.
In Spain, Apple says Apple Pay will be available later this year at CaixaBank and mobile-only banking app imaginBank. Visa in general will also begin supporting Apple Pay in Spain by the end of the year.
In the UK, Apple Pay is now supported by mobile-only banking app Starling Bank.
Earlier this month, Apple announced several other new and forthcoming banks with Apple Pay support in France, Italy, and Spain. Apple maintains a complete list of Apple Pay participating banks in Europe on its website.
Update: Canadian bank Tangerine says its debit cards now work with Apple Pay following credit card support last year. (Thanks, Chris!)