This plugin enables 2-step verification using one-time password when you log in your WordPress.
WP Secure Login adds a security layer and 2 step authentication to your WordPress site by asking a One Time Password in addition to the username and p
Adds an ExtraShield of protection and security to your WordPress by using your mobile phone to generate a one-time password for login.
InWebo strong authentication plugin for WordPress
The OTP Vancosys Authenticator plugin for WordPress gives you two-factor authentication by token.