An ignition device for oil burner comprising: a pair of discharge electrodes (4a,4b) operable to give ignition spark to a combustion wick; a high-voltage oscillation circuit operable to periodically apply a high voltage to the pair of discharge electrodes (4a,4b); and a power source circuit operable to supply an electric power for ignition to the high-voltage oscillation circuit, characterized in that: the power source circuit includes: as a power source a generator capable of generating electricity by means of a manual operation; a power conversion circuit operable to convert an output from the generator into the electric power for ignition; and a power supply circuit operable to supply the electric power for ignition to the high-voltage oscillation circuit; the high-voltage oscillation circuit includes: a signal oscillating circuit operable to generate an oscillation signal so as to periodically oscillate; a switching circuit operable to turn on or off in response to an input of the oscillation signal; and a booster circuit operable to boost an output voltage from the power supply circuit according to a switching operation of the switching circuit; the high-voltage oscillation circuit is configured such that an oscillation period and a non-oscillation period alternately occur; and includes an oscillation period setting circuit operable to allow the oscillation signal to be input to the switching circuit during the oscillation period and disallow the oscillation signal to be input to the switching circuit during the non-oscillation period. a pair of discharge electrodes (4a,4b) operable to give ignition spark to a combustion wick; a high-voltage oscillation circuit operable to periodically apply a high voltage to the pair of discharge electrodes (4a,4b); and a power source circuit operable to supply an electric power for ignition to the high-voltage oscillation circuit, characterized in that: the power source circuit includes: as a power source a generator capable of generating electricity by means of a manual operation; a power conversion circuit operable to convert an output from the generator into the electric power for ignition; and a power supply circuit operable to supply the electric power for ignition to the high-voltage oscillation circuit; the high-voltage oscillation circuit includes: a signal oscillating circuit operable to generate an oscillation signal so as to periodically oscillate; a switching circuit operable to turn on or off in response to an input of the oscillation signal; and a booster circuit operable to boost an output voltage from the power supply circuit according to a switching operation of the switching circuit; the high-voltage oscillation circuit is configured such that an oscillation period and a non-oscillation period alternately occur; and includes an oscillation period setting circuit operable to allow the oscillation signal to be input to the switching circuit during the oscillation period and disallow the oscillation signal to be input to the switching circuit during the non-oscillation period. the power source circuit includes: as a power source a generator capable of generating electricity by means of a manual operation; a power conversion circuit operable to convert an output from the generator into the electric power for ignition; and as a power source a generator capable of generating electricity by means of a manual operation; a power conversion circuit operable to convert an output from the generator into the electric power for ignition; and a power supply circuit operable to supply the electric power for ignition to the high-voltage oscillation circuit; the high-voltage oscillation circuit includes: a signal oscillating circuit operable to generate an oscillation signal so as to periodically oscillate; a switching circuit operable to turn on or off in response to an input of the oscillation signal; and a booster circuit operable to boost an output voltage from the power supply circuit according to a switching operation of the switching circuit; a signal oscillating circuit operable to generate an oscillation signal so as to periodically oscillate; a switching circuit operable to turn on or off in response to an input of the oscillation signal; and a booster circuit operable to boost an output voltage from the power supply circuit according to a switching operation of the switching circuit; the high-voltage oscillation circuit is configured such that an oscillation period and a non-oscillation period alternately occur; and includes an oscillation period setting circuit operable to allow the oscillation signal to be input to the switching circuit during the oscillation period and disallow the oscillation signal to be input to the switching circuit during the non-oscillation period.