Jazleen is of Arabic origin, meaning "ornament". It is a unisex name, but is more commonly used for girls. The name has gained popularity in recent years due to its unique sound and elegant appearance. Jazleen is composed of two elements: 'jazla' which means 'beauty', and '-een', a suffix that signifies 'beautiful'. Therefore, the name can be interpreted as "beautiful ornament". It is often spelled with a double 'z', but variations such as Jazzleen or Jazline are also used. The name Jazleen does not have any specific pronunciation rules; it is generally pronounced as /ˈdʒæzliːn/.
The name Jazleen has seen varied popularity over the past few decades, with a significant increase in its usage since around 2007. From 1995 to 2006, there were fewer than 20 births per year on average. However, starting from 2007, the number of annual births with the name Jazleen began to rise dramatically, peaking at 124 in 2008 and maintaining a high level of popularity until around 2015. Since then, the number of yearly births with this name has decreased but remains relatively stable, with 41 births recorded in 2023. In total, there have been 1241 births with the name Jazleen between 1995 and 2023.