There are a few specific categories that you may qualify for if you cannot get a green card because you divorced your spouse. You may be eligible to apply under:
Liberian Refugee Immigration Fairness, but only if you’re a Liberian national who’s been continuously present in the U.S. since November 20, 2014, or you are the child under the age of 21, or unmarried son or daughter over the age of 21 of a qualifying Liberian national.
Diversity Immigrant Visa Program, but only if you were selected for a diversity visa in the Department of State’s diversity visa lottery.
Cuban Adjustment Act, but only if you’re a Cuban native or citizen, or you’re the spouse or child of a Cuban native or citizen.
Dependent status under the HRIFA, but only if you’re the spouse or child (in your case, you must be the child) of a lawful permanent resident who received a green card based on the Haitian Refugee Immigration Fairness Act
Lautenberg parolee
Indochinese Parole Adjustment Act of 2000, but only if you are a native citizen of Vietnam, Kampuchea or Laos who was paroled into the United States on or before October 1, 1997 from Vietnam under the Orderly Departure Program, a refugee camp in East Asia, or a displaced person camp administered by UNHCR in Thailand
American Indian born in Canada, but only if you have at least 50 percent American Indian heritage, were born in Canada, and maintain a principal residence in the United States
Person born in the U.S. to a foreign diplomat
Section 13 diplomat who is unable to return home