2 weeks after wisdom tooth extraction, is it safe for me to drink coffee?

Yes: It's ok. Should not cause a problem.

Should be: If there is no residual issues associated with the extraction site, your choice of fluid intake after 14 days of or normal healing should not be a factor.

Yes: Yes; it is safe to drink coffee. The extraction site should have started healing 7-10 days following the surgery provided that no complications occurred during the procedure and the sutures were removed and evaluated following the surgery.

Definitely, yes: Usually within the first week or two after wisdom tooth extraction, enough healing has taken place that you can begin to eat solid foods and drink coffee.