The madam of that café is very kind.
That lady always dresses elegantly.
近所のマダムたちが集まってお茶会を開いた。
The neighborhood housewives got together and held a tea party.
proprietress; manageress
Specifically refers to the female owner or manager of a bar, café, or small shop. Often used in the hospitality industry.
このバーのマダムはとても気さくな人だ。
The proprietress of this bar is a very friendly person.
喫茶店のマダムがおすすめのケーキを教えてくれた。
The manageress of the coffee shop told me about their recommended cake.
彼女は店の客からマダムと呼ばれている。
She is called 'madam' by the shop's customers.
This bar is run by a madam who used to be an actress.
夫人 is a formal, respectful title for a married lady used in writing or ceremonial speech, whereas マダム is more casual and evokes a Western café/boutique image.
女主人 is a plain, literal term for a female owner or manager, whereas マダム carries a more sophisticated or foreign-sounding image.
主婦 simply means 'housewife' with no stylish connotation, unlike マダム which suggests elegance or foreign flair.
ママ typically refers to the woman running a hostess bar or cabaret in a casual, familiar way, while マダム suggests a more refined café, boutique, or salon owner.
The everyday counter for people: 一人 (ひとり), 二人 (ふたり), 三人 (さんにん).
used in formal/customer-facing contexts; in everyday speech, people are more naturally counted with 人
little madam; young wealthy wife
bourgeoise wife; lady of leisure
ladykiller who targets married women; handsome young man popular with married women
croque-madame
Borrowed from French 'madame'. Used in Japanese with similar meanings but also extended to refer to a female shop owner or manager.