CERTIFICATION PURSUANT TO RULE 30A-2(B) UNDER THE 1940 ACT AND SECTION 906 OF THE SARBANES-OXLEY ACT I, Kenneth C. Anderson, President of Aston Funds (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: 6/29/09 /S/ KENNETH C. ANDERSON Kenneth C. Anderson, President (principal executive officer) I, Gerald F. Dillenburg, Senior Vice President, Secretary & Treasurer of Aston Funds (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: 6/29/09 /S/ GERALD F. DILLENBURG Gerald F. Dillenburg, Senior Vice President, Secretary & Treasurer (principal financial officer)