What If Applicant is denied a US Immigration visa can his child enter if approved?

The answer depends upon whether the visa applications are separate standalone applications or whether the child is filing under a dependent status. If the first, he or she may be able to receive the visa without you; if the second, he or she must await your result. Due to the limitations of the Lawyers.com Forums, Alan Lee, Esq.'s (the "Firm") participation in responding to questions posted herein does not constitute legal advice, nor legal representation of the person or entity posting a question. No Attorney/Client relationship is or shall be construed to be created hereby. The information provided herein by the Firm is general, and requires that the poster obtain specific legal advice from an attorney. The poster shall not rely upon the information provided herein as legal advice nor as the basis for making any decisions of legal consequence.