Open Chrome
Click the three-dot menu in the top-right corner
Select Settings
Click Autofill and passwords
Turn off the Autofill options you do not want, such as:
Password Manager
Payment methods
Addresses and more
To disable form autofill suggestions, go to Privacy and security
Click Clear browsing data if you want to remove saved autofill entries
On mobile, open Chrome
Tap the three-dot menu
Tap Settings
Tap Autofill and passwords
Turn off the autofill options you want to disable