Ciel is a unisex given name of French origin, meaning "sky" or "heaven". It is often used as a nickname for longer names such as Cécile or Celine. The name Ciel gained popularity in the late 20th century and has since been used for both boys and girls. It is considered a unique and stylish choice for parents seeking an uncommon yet meaningful name for their child.
"The name Ciel experienced a notable increase in popularity over the years, with a significant spike from just 9 births in 2012 to 32 births in 2021."