Sahara Force India
This was Force India's logo since their partnership with Indian company Sahara India Pariwar.
In 2018 Force India announced the change of name, but actually they've only changed the logo.
Racing Point Force India
In 2018, Force India was purchased by Racing Point. On 31 August 2018, FIA approved the new team's name: Racing Point Force India. In December of 2018 Force India announced the new name for 2019, Racing Point F1.