Colorado Revised Statutes, § 18-13-105
Florida Statutes, § 836.01-836.11
Idaho Idaho Code, § 18-4801-18-4809
Kansas Statute Annotated, §21-6103a1
Louisiana R.S., 14:47
Michigan Compiled Laws, § 750.370
Minnesota Statutes. § 609.765
Mississippi Code Annotated, §97-3-55
Montana Code Annotated, § 13-35-234
New Hampshire Revised Statute Annotated, § 644:11
New Mexico Statute Annotated, §30-11-1
North Carolina General Statutes, § 14-47
North Dakota Century Code, § 12.1-15-01
Oklahoma Statutes, tit. 21 §§ 771-781
Utah Code Annotated, § 76-9-404
Virginia Code Annotated, § 18.2-417
Washington Revised Code, 9.58.010 [Repealed in 2009]
Wisconsin Statutes, § 942.01
Puerto Rico Laws, tit. 33, §§ 4101-4104, which was declared unconstitutional in 2003 by a Federal Court.
Virgin Islands Code, Title 14, § 1172
State penalties for criminal defamation vary widely from state to state and depend on the nature and severity of the defamatory web content. Criminal defamation penalty can range from a written letter to probation, to mandatory jail time. From 1965 to 2004, 16 criminal defamation cases ended in conviction. Out of these 16 criminal defamation convictions, 9 resulted in jail sentences.
Source: https://sites.google.com/site/defamationremoval/#h.p_ID_85