Certification Pursuant to Rule 30a-2(b) under the 1940 Act and Section 906 of the Sarbanes-Oxley Act

I, Jill T. McGruder, President of Touchstone Strategic Trust (the “Registrant”), certify that:

1. The Form N-CSR of the Registrant (the “Report”) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Registrant.

Date: 11/22/2017	/s/ Jill T. McGruder
	Jill T. McGruder, President
	(principal executive officer)

I, Terrie A. Wiedenheft, Controller and Treasurer of Touchstone Strategic Trust (the “Registrant”), certify that:

1. The Form N-CSR of the Registrant (the “Report”) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Registrant.

Date: 11/22/2017	/s/ Terrie A. Wiedenheft
	Terrie A. Wiedenheft, Controller and Treasurer
	(principal financial officer)