Kaatje is a common Dutch name, often used as a diminutive form of Katherine. It is popular in the Netherlands and can be found in various cultural contexts, including literature and folklore. The name is associated with warmth and friendliness, making it a beloved choice for many families. In addition to being a name, Kaatje can also refer to specific characters in children's stories or songs. These characters often embody traits like curiosity and playfulness, appealing to young audiences. The name's simplicity and charm contribute to its enduring popularity in Dutch-speaking regions.