Sadhan Pal

Login Login Logo allows you to personalize your WordPress login page by replacing the default WordPress logo with your own custom image. 
With a simple interface and live preview, you can brand the login page to match your website or business identity.
Features: 
* Upload a custom login logo directly from the WordPress media library. 
* Set logo width and height with min/max dimension validation. 
* Preview the logo before saving. 
* Clear/reset the logo with a single click. 
* Lightweight and easy to use.
This plugin is perfect for agencies, freelancers, and site owners who want to add a professional touch to their client or business sites.
<h3>License</h3>
This plugin is open-source and licensed under the GPLv2 or later.

Cute Login Logo – Upload Your Own Custom Logo for Branding in the Login Page

Easily customize your WordPress login page by uploading and displaying your own custom logo with adjustable dimensions and preview.

Obadiah

This plugin offers customization options for the WordPress login screen, including the ability to replace the default WordPress logo with a custom logo that links to the user’s homepage. There are custom color settings for all elements on login page. Additionally, the plugin improves login security by removing error messages upon failed login attempts.
To utilize the custom logo feature, users should first upload their logo (ideally as a transparent PNG) to their media library where the URL can by copied. Install the plugin and go to the settings page. Enter the URL. Enter width and height of logo, if different from defaults. Click “Save Changes”.

Super Custom Login

This plugin enables users to personalize their WordPress login screen by replacing the default WordPress logo with their own custom logo.

Cute Login Logo – Upload Your Own Custom Logo for Branding in the Login Page vs Super Custom Login