Those sentenced include dangerous attackers, sexual predators who targeted children, organised drug dealers and repeat offenders whose crimes had a major impact on victims and communities.
The investigations behind the cases range from complex organised crime operations to frontline arrests linked to drugs, domestic abuse and sexual offences.
This gallery brings together the faces of 34 criminals jailed so far this year:
19. Stuart Wilson
Stuart Wilson, 33, of Motherwell, was jailed for five years at Preston Crown Court after officers stopped his BMW on the M6 near Garstang and found 25kg of cocaine worth about £2.5m hidden in the boot. He pleaded guilty to possession with intent to supply. | Lancashire Police
20. Christopher Spelman
Christopher Spelman, 66, of no fixed address, was jailed for 10 months at Swansea Crown Court after breaching sex offender notification requirements by failing to register an address and travelling the country while living in a tent. | Lancashire Police
21. Lewis Westwood
Lewis Westwood, 31, of Egremont, Cumbria, was jailed for 12 years at Preston Crown Court after sexually assaulting and raping a 14-year-old girl in Leyland. He was found guilty of six counts of sexual activity with a child and placed on the sex offenders register for life. | Lancashire Police
22. Zion Yearwood and Ryan Njoroge
Zion Yearwood, 25, of Oxford, and Ryan Njoroge, 21, of no fixed address, were jailed for four years and eight months and three years respectively at Preston Crown Court after heroin and crack cocaine worth up to £13,500 were found in a car outside a Burnley takeaway. Both pleaded guilty to possession with intent to supply. | Lancashire Police
23. Peter Sayle
Peter Sayle, 32, of no fixed address, was jailed for nine years and 11 months at Preston Crown Court after admitting the manslaughter of his six-week-old son Huxley, who died from traumatic head injuries consistent with violent shaking. | Lancashire Police
24. Arafat Akhtar
Arafat Akhtar, 38, of Blackburn, was jailed for 21 months at Preston Crown Court after striking a man with a metal bar outside a Blackburn cinema. His brother Sufyaan Akhtar, 23, received a 12-month suspended sentence for his role in the same assault. | Lancashire Police