Well you can and you can not.  QBO will allow you to create another a/p account, but unlike desktop QBO will not allow you to use it when posting transactions using the menu choices

a/p, in QB, is a summing account, think of the vendor names as sub accounts, bills and […]

Resolution for 'create multiple account issue: 'I need to create multiple account payable because when i enter bill it only show under the first supplier I created. How do I do this?' available: Yes.

The create multiple account issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the create multiple account issue yourself by looking for a resolution described in the article. If it is a complex create multiple account issue or you are unable to solve the issue, you may contact us by clicking here or by using other create multiple account support options.

For more information about resolving issues related to create multiple account in Quickbooks/QBO or to get support for the issue 'I need to create multiple account payable because when i enter bill it only show under the first supplier I created. How do I do this?', click the link below: