^ Yes, and check out Ernest Becker's "The Denial of Death", a psychological work which explicitly owes the lion's share of its insight to Kierkegaard and jump-started Terror Management Theory.
If you want to look at how a Kierkegaardian perspective might affect Christian theology, check out Yale and Harvard theologian Arthur C. McGill's short book "Death and Life" and/or experimental psychologist Richard Beck's "The Slavery of Death".
A quality general guide to the application of Kierkegaard's thought to one's life is Christopher Ben Simpson's "Truth Is the Way: Kierkegaard's Theologica Viatorum".