The recognition of arsenic as a hazardous environmental contaminant has notably increased, driving interest toward more effective remediation technologies, among which electrochemical (EC) methods have garnered significant attention. These methods are preferred because of their ability to perform in situ oxidation, produce minimal sludge, and achieve high removal efficiencies at lower operational costs compared to conventional approaches. They are adept at eliminating arsenite (As(III)) and arsenate (As(V)) from aqueous matrices. Among the various electrochemical techniques, electrocoagulation stands out, consistently achieving arsenic removal efficiencies greater than 90%. On the other hand, capacitive deionization is effective mainly at lower arsenic concentrations, with removal efficiencies approximating 40% for arsenite and 45% for arsenate. Transformation of arsenite to arsenate, typically through oxidation processes, is a prerequisite for its efficient elimination. Indirect electrochemical oxidation has been proven to be effective for this oxidation, although its applicability is generally restricted to small-scale operations. Integrating anodic oxidation with EC can result in nearly complete arsenic removal, effectively combining oxidation and precipitation processes. Furthermore, bioelectro-Fenton and electro-Fenton processes are emerging significant sustainable and economically favorable advanced oxidation processes, facilitating substantial reductions in arsenite toxicity and its removal from water systems.