Yes, you can sue a bank. Banks are not immune from lawsuits and there are numerous laws and regulations regulating their behavior. Banks, like any other business entity, can be held liable for their actions or inactions, and you can take legal action against them if you believe that the bank has violated your rights. Some common causes of action include breach of contract, fraud, negligence, and discrimination. *The foregoing information is general advice only and should not be relied upon to take, or fail to take, legal action. No attorney-client relationship is formed by this information. *