French President Emmanuel Macron has announced that people must stay indoors from 21:00 to 06:00 in Paris and eight other cities to control the rapid spread of coronavirus in the country.
The curfew will come into effect from Saturday and last for at least four weeks, Mr Macron said in a televised interview.
A state of emergency has also been declared.
A further 22,951 infections were confirmed on Wednesday.
Across Europe, governments are introducing new restrictions to battle a second wave of infections.
A partial lockdown comes into force in the Netherlands at 22:00 (20:00 GMT) and cafes and restaurants are closing.
Earlier on Wednesday, Spain’s north-eastern region of Catalonia said that bars and restaurants would close for 15 days from Thursday.
The Czech Republic has shut schools and bars. It has the highest rate of infection in Europe over the past two weeks, at 581.3 cases per 100,000 people
Across Europe, infection rates are rising, with Russia reporting a record 14,321 daily cases on Wednesday and a further 239 deaths.