E-learning is the use of technology to enable people to learn at any time and from anywhere. It is quick, relevant, and ever-changing, and it might include training and the transfer of just-in-time information, and expert advice. Semantic web technology, which allows machine-processable content to coexist and supplement the present web, makes it easier for computers and people to work together. Semantic web technology offers a wide range of applications. E-learning is one of the areas where this new web technology could be beneficial. This chapter gives an overview of e-learning and its necessity. It discusses at length semantic web technologies and how they can be utilized to develop an e-learning environment.