<p>The present invention relates to a crystalline form of fosamprenavir calcium. The crystalline form of the present invention is designated as Form II of fosamprenavir calcium. The present invention also relates to a process for the preparation of crystalline Form II of fosamprenavir calcium. The present invention further relates to a pharmaceutical composition comprising crystalline Form II of fosamprenavir calcium. The present invention relates further to a method of treating a HIV infection using crystalline Form II of fosamprenariv calium.</p>