This study examined the effect of financial technology on the sustainability of quoted commercial banks in Nigeria. The objective was to examine how financial technology affects sustainability of commercial banks. Time series data were sourced from Central Bank of Nigeria Statistical Bulletin. Financial sustainability was used as dependent variables while automated teller machine, point of sales, mobile payment, web payment and electronic fund transfer was used as predictor variables. Ordinary least square with the aid of Software package for Social Sciences was used as data analysis methods. The model summary results reveal that all of the independent variables together account for 78.7%. The study found that automated teller machine has a favorable but no significant impact on financial sustainability of the quoted commercial banks (β=.023, p=820 >0.05.Point of sales has no favorable but no significant impact on financial sustainability of the quoted commercial banks (β=-.003, p=.908 >0.05). Web payment has no favorable and significant impact on financial sustainability of the quoted commercial banks (β=.446, p=.000 <0.05). Mobile payment has no favorable and significant impact on financial sustainability of the quoted commercial banks (β=.186, p=.000 <0.05). Electronic fund transfer has no favorable and significant impact on financial sustainability of the quoted commercial banks (β=.307, p=.000 <0.05). From the findings, the study concludes that there is no significant relationship between Automated Teller Machines and sustainability of quoted commercial banks in Nigeria, that there is no significant relationship between point of sales   and sustainability of quoted commercial banks in Nigeria, that there is significant relationship between Web pay   and sustainability of quoted commercial banks in Nigeria, that there is significant relationship between mobile pay and sustainability of quoted commercial banks in Nigeria,  that there is significant relationship between electronic fund transfer and sustainability of quoted commercial banks in Nigeria. Financial technology  such as the ATM  has a positive impact on financial stability by increasing the ability of banks to provide financing, so that the availability of bank loans tends to experience growth therefore the regulatory  authorities should ensure effective policies to checkmate assets quality of the commercial as the major determinants of sustainability