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This paper deals with the potential of aggregates of surfactant and SiO₂ nanoparticles as foam stabilizers for practical applications. The effects of different chain lengths and concentrations of the cationic surfactant <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msub><mrow><mi mathvariant="normal">C</mi></mrow><mrow><mi>n</mi></mrow></msub></mrow></semantics></math></inline-formula>TAB on the performance of <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msub><mrow><mi mathvariant="normal">C</mi></mrow><mrow><mi>n</mi></mrow></msub></mrow></semantics></math></inline-formula>TAB–SiO₂ nanofluids are examined to gain a comprehensive understanding of their ability to stabilize foam. The results indicate enhanced foam stability in the presence of SiO₂ nanoparticles. These findings help to better understand foam stabilization and its potential in various industrial applications such as enhanced oil recovery and foam-based separation processes.