Indiana Prohibited Consensual Sexual Activity Laws FindLawThe legal age of consent in Indiana is the age of sixteen. It means that any person that is no younger than the age of sixteen is deemed lawfully able to provide consent for sexual activities. It is vital to acknowledge that consent laws varies in different states, so it is essential to be knowledgeable of the particular age restrictions in each jurisdiction. Nevertheless, in this state, it is evident that 16 years old is the limit by which agreement can be given lawfully.