[17] In December 2016, small business owners sued Fifth Third, along with Vantiv and National Processing Company, for violating telemarketing laws.

[18] On March 9, 2020, the Consumer Financial Protection Bureau (CFPB) charged Fifth Third with illegal cross-selling; the suit was resolved in 2024 with the bank paying $20 million and taking remedial actions.

[19] A class action suit was filed on behalf of former MB Financial shareholders, alleging that the cross-selling strategy artificially inflated Fifth Third's stock price and thus MB Financial's shareholders were not honestly compensated when the purchase occurred.

[20] In September 2015, the US Department of Justice and the Consumer Financial Protection Bureau announced an $18 million settlement to resolve allegations that Fifth Third Bank engaged in a pattern or practice of discrimination against African–American and Hispanic borrowers in its indirect auto lending business.

[21] On April 27, 2023, a jury sided with Fifth Third in a lawsuit filed by customers of its Early Access loan program.

[22] On March 8, 2024, the Minnesota Attorney General filed suit against Fifth Third subsidiary Dividend Finance and three other lending companies (GoodLeap, Sunlight Financial, and Solar Mosaic), following an investigation that uncovered they charged Minnesotans $35 million in hidden fees on nearly 5,000 loans to finance sales of residential solar panels.