There are a few different certifications that can be helpful for learning Kubernetes and becoming a certified Kubernetes developer. The Certified Kubernetes Administrator (CKA) and Certified Kubernetes Application Developer (CKAD) are the two main certification programs offered by the Cloud Native Computing Foundation (CNCF). There are also training courses available through vendors such as IBM, Red Hat, and Canonical. The CKA is designed for system administrators and DevOps engineers who want to demonstrate their skills in deploying and managing Kubernetes clusters. The CKAD is geared more towards developers who want to show their skills in developing applications on top of Kubernetes.