In the current paper, thermoplasmonic characteristics of spherical, core–shell and rod Seaborgium nanoparticles are investigated. In the current study, thermoplasmonic characteristics of Seaborgium nanoparticles with spherical, core–shell and rod shapes are investigated. Seaborgium nanoparticles absorb energy of descendent light and generate some heat in the particle. The generated heat transferred to the surrounding environment and leads to increase in temperature of adjacent points to nanoparticles. Heat variations can be obtained by heat transfer equation. The calculations showed that in Seaborgium nanoparticles, light absorption in Plasmon frequency causes to increase in temperature of the surrounding environment of nanoparticles. Calculations of nanorods showed that due to ability for shifting surface Plasmon frequency toward longer wavelength as well as more increase in temperature, this nanostructure is more appropriate for medical applications such as optothermal human cancer cells, tissues and tumors treatments.