Tomlin, 77, who had worked with Fonda and Parton in the 1980 classic "9 to 5", is also up for another SAG trophy in the category of outstanding performance by a female actor- comedy series, for her role on "Grace and Frankie", reported Variety.
Tomlin is the 53rd recipient of SAG Life Achievement Award for her career and humanitarian accomplishments.
She is a two-time Tony Awards winner, one-time Grammy recipient, and a multiple holder of Emmys.
The SAG Awards ceremony will take place at Shrine Auditorium, here on January 29.