Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statements No. 33-99812, No. 33-99814, No. 33-99816, No. 33-99848, No. 333-74634, No. 333-105986 and No. 333-105998 on Form S-8 of our reports, relating to the consolidated financial statements of Schweitzer-Mauduit International, Inc. and subsidiaries (the “Company”) (which report expresses an unqualified opinion and includes an explanatory paragraph relating to the Company’s adoption of Statement of Financial Accounting Standards No. 158, “Employer’s Accounting for Defined Benefit Pension and Other Post Retirement Plans” as of December 31, 2006) and the effectiveness of internal control over financial reporting, dated March 6, 2009 appearing in the Annual Report on Form 10-K of Schweitzer-Mauduit International, Inc. and subsidiaries for the year ended December 31, 2008.

/s/ DELOITTE & TOUCHE LLP

March 6, 2009

Atlanta, Georgia