Photoelectrochemical (PEC) water splitting is an effective strategy to convert solar energy into clean and renewable hydrogen energy. In order to carry out effective PEC conversion, researchers have conducted a lot of exploration and developed a variety of semiconductors suitable for PEC water splitting. Among them, metal oxides stand out due to their higher stability. Compared with traditional oxide semiconductors, ferrite-based photoelectrodes have the advantages of low cost, small band gap, and good stability. Interestingly, due to the unique characteristics of ferrite, most of them have various tunable features, which will be more conducive to the development of efficient PEC electrode. However, this complex metal oxide is also troubled by severe charge recombination and low carrier transport efficiency, resulting in lower conversion efficiency compared to theoretical value. Based on this, this article reviews the structure, preparation methods, characteristics and modification strategies of various common ferrites. In addition, we analyzed the future research direction of ferrite for PEC water splitting, and looked forward to the development of more efficient catalysts.