Carbon tannin-lignin-formaldehyde (TLF) gels were obtained for the first time by carbonization of organic xerogels synthesized by sol-gel condensation of formaldehyde with polyphenolic substances isolated from wood and fir bark - ethanolignin and condensed tannins. The effect of the mass ratio of the tannin/lignin (T/L) components  in the range 1:0 - 1:2 on the specific surface, porous volume, apparent density, and microstructure of carbon tannin-lignin-formaldehyde gels has been studied. It was found that the density of the carbon gels increases from 0.52 to 0.60 g/cm³ with an increase in the T/L ratio from 1:0 to 1:0.2 and 1:0.5 in the initial gel and then decreases to 0.200 and 0.125 g/cm³ with an increase in the lignin content to T/L ratios of 1:1 and 1:2, respectively. The study of the porous structure of carbon gels by the BET method showed that the carbon TLF gel obtained at a T/L ratio of 1: 2 is characterized by the highest specific surface (538 m²/g). Using scanning electron microscopy, the structures of TFs and TLFs carbon gels have been studied. It has been established that the size of globular particles has a decisive influence on the structure of gels. The size of the globule particles increases with increasing of lignin content in the composition of the tannin-lignin-formaldehyde gel that leads to the formation of a less ordered structure of the carbon gel. The porous structure of TLFs carbon gels obtained from fir polyphenolic substances can be controlled (regulated) by varying the ratio of tannin:lignin. The obtained carbon gels can be used (can find application) as sorbents and catalyst supports.