diff --git a/accounts.go b/accounts.go
index 67fd68e..50746fe 100644
--- a/accounts.go
+++ b/accounts.go
@@ -55,6 +55,15 @@ type AccountSource struct {
 	Fields    *[]Field `json:"fields"`
 }
 
+func LookupAccount(username string) (*Account, error) {
+	var account Account
+	err := doAPI(http.MethodGet, fmt.Sprintf("api/v1/accounts/lookup?acct=%s", url.QueryEscape(username)), nil, &account, nil)
+	if err != nil {
+		return nil, err
+	}
+	return &account, nil
+}
+
 func GetAccount(id ID) (*Account, error) {
 	var account Account
 	err := doAPI(http.MethodGet, fmt.Sprintf("/api/v1/accounts/%s", url.PathEscape(string(id))), nil, &account, nil)