IF YOU LOVE ME, LET ME KNOW by OLIVIA NEWTON-JOHN has sold 700,000 copies in Canada and United States.
IF YOU LOVE ME, LET ME KNOW certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Canada |
200,000 | 2x Platinum | 1978 |
Canada Sales: 200,000
Certification / note: 2x Platinum
Certification Date / sales as of: 1978
|
 United States |
500,000 | 1x Gold | 9 September, 1974 |
United States Sales: 500,000
Certification / note: 1x Gold
Certification Date / sales as of: 9 September, 1974
|
| Total sales | 700,000 | (in 2 countries) |
Total
Sales: 700,000
(in 2 countries)
|
Year-end chart performance for IF YOU LOVE ME, LET ME KNOW
| Chart 1974 | Rank |
| Canadian Albums (RPM) |
22 |
| US Albums (Billboard 200) |
83 |