The disclosed computer-implemented method for protecting personally identifiable information during electronic data exchanges may include (i) receiving, from a computing device, an authentication token for a proposed electronic data exchange, (ii) preventing the user's personally identifiable information from entering the proposed electronic data exchange by identifying the user using the anonymized identifier rather than using the user's personally identifiable information, (iii) authenticating the user identified in the data exchange information, and (iv) in response to authenticating the user, authorizing completion of the proposed electronic data exchange. Various other methods, systems, and computer-readable media are also disclosed.