This is an (incomplete) list of acts that are required for rape to occur, under the laws of various American jurisdictions. As I have time, I will add jurisdictions in.
- Alabama: "sexual intercourse" (Ala. Code, §§ 13A-6-61, 13A-6-62) where sexual intercourse is defined as "its ordinary meaning" (§ 13A-6-60) but then definitionally, sexual acts that involve other than penis-vagina penetration are carved out into other acts
- Alaska: no longer has a crime called rape
- Arizona: no longer has a crime called rape
- Arkansas: requires "sexual intercourse" or "deviate sexual activity" (Ark. Code, § 5-14-103) where sexual intercourse is defined as penetration of the labia by a penis, and "deviate sexual activity" is defined as penetration of the mouth or anus by a penis or penetration of the labia or the anus by a body part or a foreign instrument (§ 5-14-101)
- California: requires the penetration of the vagina by a penis (Cal. Pen. Code, § 261)
- Colorado: no longer has a crime called rape
- Connecticut: no longer has a crime called rape
- Delaware: requires "sexual intercourse" or "sexual penetration" (11 Del. Code, §§ 770-773), where sexual intercourse is defined as penetration of genitalia or anus of one person and mouth, anus, or genitalia of another person, and sexual penetration is defined as placing an object inside the anus or vagina of another person, or placing the genitalia in the mouth of another person
- Florida: no longer has a crime called rape
- Georgia: requires the penetration of the vagina by a penis (Ga. Code, § 16-6-1)
- Hawaii: no longer has a crime called rape
- Idaho: requires the penetration of a female's mouth, anus, or vagina by a penis (Idaho Stat., § 18-6101)
- Illinois:no longer has a crime called rape
- Indiana: requires "sexual intercourse" between people of opposite sexes (but does not define "sexual intercourse" further) (Ind. Code, § 35-42-4-1)