Containerization offers multiple advantages in software deployment. It packages applications along with their dependencies into isolated environments called containers, ensuring consistency across different computing platforms. This leads to improved scalability as containers can be quickly replicated or scaled down depending on user demand. Additionally, containerization enhances resource utilization by allowing multiple containers to run on a single host machine, minimizing overhead. Containers streamline the development and testing processes, promote faster deployments, and facilitate continuous integration and delivery (CI/CD) practices, ultimately leading to more reliable software delivery.