Simon Morgan, 40, of Neath, was ruled a dangerous offender after being convicted of raping a second woman following an attack in 2015 that went unreported for nearly a decade.
Matthew Thomas, 29, of Caldicot, has been jailed for 18 months after pleading guilty to sexually assaulting a boy under 13.
Asher Griffiths, 26, of Newport, messaged an undercover officer posing as a 14-year-old girl and sent explicit images, breaching his existing sexual harm prevention order.
Luke Brown, 22, from Newport, profited by nearly £38,000 from cannabis dealing but was ordered to pay back just £790.26 at a proceeds of crime hearing.
Jason Watson, 26, of Blackwood, was jailed for three years and three months after attacking his partner in Turkey and again at their home in Wales.
Gavin Jones, 37, was pulled over on New Year's Eve with cocaine, cannabis, and his children in the car despite being banned from driving.
Andrew Lewis, 55, of Oakdale, Caerphilly, was sentenced to 25 months in prison at Newport Crown Court after being convicted of sexual activity in the presence of a child and exposure.
Ricardo Spriggs was found with crack cocaine and heroin on three occasions after being reported missing while homeless.
McKenzie Bennett, 18, turned to drug dealing after finding out his girlfriend was pregnant, Cardiff Crown Court heard.
Ryan McCarthy, 41, strangled his girlfriend until she blacked out, poured Coca Cola over her, and later tried to forcibly remove their baby from her car.
Luke Enos, 38, from Newport punched, throttled and kicked his pregnant former girlfriend before stripping naked and masturbating in front of her.
Paul Morrissey, 42, stabbed two men in separate burglaries using a spear and garden shears before threatening his victims to stay silent.