Sperm donation is the provision (or donation) by a male (known as a sperm donor) of his sperm (known as donor sperm), principally for the purpose of inseminating a female who is not his sexual partner.Sperm may be donated privately and directly to the intended recipient, or through a sperm bank or fertility clinic.perm donation is the provision (or donation) by a male (known as a sperm donor) of his sperm (known as donor sperm), principally for the purpose of inseminating a female who is not his sexual partner.