Three of the men were sentenced to four years imprisonment for aggravated child rape and other offences. A further man was jailed for three years and six months for aggravated child rape, a fifth to 18 months for the same offence, and a sixth man to eight months for aggravated sexual coercion.
The men were convicted for involvement in a series of group rapes of teenage girls whom they met at parties in the Södertälje area.
In addition to their prison sentences the men were ordered to pay significant compensation to the girls.
Three of the men were convicted for involvement in the repeated rapes of a 12-year-old girl in the attic of an apartment block in Södertälje over a period of 18 months.
Four of the men were convicted in connection with the violent assault of two teenage girls in an apartment in Hovsjö in Södertälje in February. The girls had gone to the apartment in the company of a couple of boys to find that a further group of young men were also there.
One of the girls was raped in the apartment by the men while the other was sexually assaulted.
Two of the men were convicted for this attack to four years imprisonment.
All of the defendants admitted to having had sex with the girls but claimed that the girls participated voluntarily.
District prosecutor Marie-Louise Pettersson is satisfied with the sentences.
"The district court in general followed my line of reasoning," she told news agency TT.
Despite the young ages of the defendants, all are between 19 and 23-years-old, the court decided that the nature of the offences leave no reason not to impose custodial sentences.