The girl, believed to be around 14-years-old, was seen outside The Woodman pub on Thursday evening. Witnesses described her as being very distressed before she got into a grey SUV-type car on Saltwells Road at around 7pm.
On Friday afternoon police said she had been found safe and well.
A police spokesman said: "Thanks to everyone who has shared our appeal over the last 12 hours to trace a girl who we had concerns for outside The Woodman pub in Dudley last night.
"Some good news. We have identified the girl and confirmed that she is safe and well.
"Enquiries are now ongoing to establish what happened.
"Thanks again for your help."